- Side Effects
- Drug Interactions
- Pregnancy & Breastfeeding
- What Else to Know
Generic Name: pseudoephedrine
Brand Names: Sudafed, Nexafed, Zephrex-D
Drug Class: Decongestants, Systemic
What is pseudoephedrine, and what is it used for?
Pseudoephedrine is a medication available over the counter (OTC) used for temporary relief from sinus congestion and nasal congestion caused by cold, hay fever, upper respiratory infections, and allergies.
Pseudoephedrine works by constricting the blood vessels in the respiratory passage, which promotes drainage of fluids and makes breathing easier.
Pseudoephedrine works by stimulating alpha adrenergic receptors, protein molecules in smooth muscles around blood vessels, which make them contract when stimulated by the neurohormones epinephrine and norepinephrine. Stimulation of alpha receptors in the respiratory mucous tissue constricts the blood vessels and decreases leakage of fluid, reducing congestion. Pseudoephedrine also stimulates beta receptors which cause relaxation of the bronchial passage and increase in heart rate and force of heart muscle contraction.
In addition to nasal and sinus congestion relief, off-label decongestant uses of pseudoephedrine include:
- Reduction of breast milk production in nursing mothers with excessive lactation
- Relief from priapism, a condition of painful and prolonged erection because of blood vessel constriction and trapping of blood in the penis
Because of its central nervous system (CNS) stimulant properties and structural similarity to amphetamine, pseudoephedrine is also misused as a street drug in place of or to produce amphetamine or methamphetamine. Some manufacturers now use advanced technology in the manufacture of pseudoephedrine tablets to limit the extraction of pseudoephedrine from the tablets and deter manufacturing of methamphetamine.
- Do not use pseudoephedrine in the following conditions:
- Hypersensitivity to pseudoephedrine or any of its components
- Severe high blood pressure (hypertension) or severe cardiovascular disease
- Concurrently or within 14 days of treatment with monoamine oxidase inhibitor (MAOI) antidepressant medications
- Use pseudoephedrine with caution in patients with the following conditions:
- Mild to moderate hypertension
- Cardiac disease
- Overactive thyroid (hyperthyroidism) or thyroid dysfunction
- High blood sugar levels (hyperglycemia)
- Diabetes mellitus
- Enlarged prostate (benign prostate hyperplasia)
- Impaired kidney function
- Seizure disorder
- Glaucoma, a progressive eye disease with high intraocular pressure that gradually damages the optic nerve
- Use with caution in elderly patients, they may be more sensitive to its effects.
- Do not take pseudoephedrine if you are breastfeeding, it can reduce milk production.
- Some formulations may contain sodium, use with caution in patients who are on sodium-restricted diet.
- Some dosage forms may contain sodium benzoate/benzoic acid. Large amounts have been associated with potentially fatal toxicity (gasping syndrome) in newborns.
- Many pseudoephedrine combo formulations are being switched to phenylephrine, because of restrictions arising from easy conversion to methamphetamine (the Combat Methamphetamine Epidemic Act of 2005 bans OTC sales of cold medicines that contain ingredients, such as pseudoephedrine, commonly used to make methamphetamine).
What are the side effects of pseudoephedrine?
Common side effects of pseudoephedrine include:
- Chest tightness
- Circulatory shock with low blood pressure (hypotension)
- Irregular heart rhythm (cardiac arrhythmia)
- Rapid heart rate (tachycardia)
- High blood pressure (hypertension)
- Transient central nervous system stimulation
- Impaired coordination, balance and speech (ataxia)
- Dry mouth (xerostomia)
- Loss of appetite (anorexia)
- Dry nose and throat
- Nasal congestion
- Throat swelling (pharyngeal edema)
- Shortness of breath (dyspnea)
- Excessive sweating (diaphoresis)
- Skin rash
- Hives (urticaria)
- Skin photosensitivity
- Severe allergic reaction (anaphylaxis)
- Excessive urination (polyuria)
- Difficulty urinating
- Urinary retention
- Painful urination (dysuria)
- Low blood count of granulocyte immune cells (agranulocytosis)
- Low red blood cell count due to rapid destruction (hemolytic anemia)
- Low platelet count (thrombocytopenia)
- Double vision (diplopia)
- Blurred vision
- Ringing in ears (tinnitus)
Call your doctor immediately if you experience any of the following symptoms or serious side effects while using this drug:
- Serious heart symptoms include fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness;
- Severe headache, confusion, slurred speech, severe weakness, vomiting, loss of coordination, feeling unsteady;
- Severe nervous system reaction with very stiff muscles, high fever, sweating, confusion, fast or uneven heartbeats, tremors, and feeling like you might pass out; or
- Serious eye symptoms include blurred vision, tunnel vision, eye pain or swelling, or seeing halos around lights.
This is not a complete list of all side effects or adverse reactions that may occur from the use of this drug. Call your doctor for medical advice about serious side effects or adverse reactions. You may also report side effects or health problems to the FDA at 1-800-FDA-1088.
- Attachment Theory: What It Is, Stages & the Different Attachment Styles
- Gentle Parenting: What It Is, Techniques & Discipline
- U.S. Nursing Homes Fail to Report Many Serious Falls, Bedsores: Study
- The Younger You Get Diabetes, the Higher Your Risk for Dementia Later
- FDA Grants Full Approval to Paxlovid to Treat COVID-19
- More Health News »
What are the dosages of pseudoephedrine?
- 30 mg
- 60 mg
- 120 mg
- 120 mg
- 240 mg
Tablet, IMPEDE Technology (Nexafed)
- 30 mg
- IMPEDE technology utilizes an advanced polymer matrix to limit extraction of pseudoephedrine from tablets and deter methamphetamine manufacturing
Tablet, TAREX technology (Zephrex-D)
- 30 mg
- TAREX technology utilizes an advanced polymer matrix to limit extraction of pseudoephedrine from tablets and deter methamphetamine manufacturing
- 3 mg/mL
Immediate release: 60 mg orally every 4-6 hours as needed
Extended release: 120 mg orally every 12 hours or 240 mg orally every 24 hours
- 60-120 mg orally
- Immediate release: 30 mg as a single dose. If milk production is not decreased after 8 to 12 hours, may administer a single dose of 60 mg.
- 30 to 60 mg once to twice daily as needed
- Children below 2 years: Safety and efficacy not established
- Children 2-6 years: 5-30 mg orally every 4-6 hours as needed
- Children 6-12 years: 30 mg orally every 4-6 hours, OR 4 mg/kg/day divided every 6 hours; not to exceed 120 mg/day
- Children above 12 years: 60 mg orally every 6 hours as needed (immediate release); alternatively, 120 mg PO every 12 hours (extended release) or 240 mg orally every 24 hours (extended release)
- Potential toxic dose in children below 6 years: 11 mg/kg
- Pseudoephedrine overdose may cause symptoms that include giddiness, headache, nausea, vomiting, sweating, thirst, difficulty urinating, muscle weakness, anxiety, insomnia, toxic psychosis, increased heart rate and palpitations. Severe overdose may lead to irregular heart rhythm, circulatory collapse, convulsions, coma and respiratory failure.
- Overdose of pseudoephedrine is treated with symptomatic and supportive care. Any undigested drug in the gastrointestinal tract may be eliminated with gastric lavage and activated charcoal administration.
What drugs interact with pseudoephedrine?
Inform your doctor of all medications you are currently taking, who can advise you on any possible drug interactions. Never begin taking, suddenly discontinue, or change the dosage of any medication without your doctor’s recommendation.
- Severe interactions of pseudoephedrine include:
- dihydroergotamine inhaled
- dihydroergotamine intranasal
- ergoloid mesylates
- selegiline transdermal
- Pseudoephedrine has serious interactions with at least 26 different drugs.
- Pseudoephedrine has moderate interactions with at least 73 different drugs.
- Mild interactions of pseudoephedrine include:
The drug interactions listed above are not all of the possible interactions or adverse effects. For more information on drug interactions, visit the RxList Drug Interaction Checker.
It is important to always tell your doctor, pharmacist, or health care provider of all prescription and over-the-counter medications you use, as well as the dosage for each, and keep a list of the information. Check with your doctor or health care provider if you have any questions about the medication.
Subscribe to MedicineNet's Allergy and Asthma Newsletter
Pregnancy and breastfeeding
- Pseudoephedrine is not the preferred agent for treating nasal congestion during pregnancy, it can cause fetal harm.
- Do not use pseudoephedrine during the first trimester of pregnancy, and avoid use for a prolonged period later in pregnancy.
- Pseudoephedrine is present in breast milk. The drug can reduce milk production and limited data report irritability in the breastfed infant.
What else should I know about pseudoephedrine?
- Follow label instructions exactly if you take OTC pseudoephedrine.
- Do not administer OTC pseudoephedrine to children below 4 years. Check with your healthcare provider before administering it to children above 2 years.
- If you take OTC pseudoephedrine, consult your healthcare provider if symptoms do not improve within 7 days or are accompanied by fever. Discontinue the drug and contact your healthcare provider if nervousness, dizziness, or sleeplessness occur.
- Store safely out of children’s reach.
- In case of overdose, seek medical help or contact Poison Control.
Health Solutions From Our Sponsors
Pseudoephedrine is a medication available over the counter (OTC) used for temporary relief from sinus congestion and nasal congestion caused by cold, hay fever, upper respiratory infections, and allergies. Common side effects of pseudoephedrine include chest tightness, circulatory shock with low blood pressure (hypotension), irregular heart rhythm (cardiac arrhythmia), palpitations, rapid heart rate (tachycardia), high blood pressure (hypertension), transient central nervous system stimulation, chills, dizziness, drowsiness, headache, insomnia, nervousness, restlessness, vertigo, and others. Do not use if pregnant or breastfeeding.
Multimedia: Slideshows, Images & Quizzes
Rosacea, Acne, Shingles, Covid-19 Rashes: Common Adult Skin Diseases
Learn to spot and treat skin conditions commonly found in adults such as acne, Covid-19 rashes, eczema, shingles, psoriasis,...
Cold, Flu, and Cough: 13 Foods to Eat When Fighting the Flu
The best foods to eat when you have the flu soothe symptoms and help you feel better faster. Good foods to eat with the flu...
Coronavirus: How COVID-19 Affects Your Body
By now, everyone knows about COVID-19. But do you know how it can affect your body?
Cold Sores Causes, Remedies, & Diagnosis
How do you get rid of cold sores? First learn about the herpes virus and how it causes cold sores. When are cold sores...
Cold, Fever and Flu Symptoms in Children: Medications and Home Remedies
How long does a cold last? How long is a cold contagious? Colds and fevers are some of the most common ailments in children....
Lung and Respiratory: Signs That You May Have Had COVID-19
Could you have already had COVID-19 and not know it? Learn some signs that might indicate just that.
Celiac Disease: Symptoms, Gluten in Foods, Gluten Allergy Tests, and More
Do you suffer from celiac disease? Learn about diet, symptoms, diagnosis, and treatments for this digestive disorder that occurs...
Cold and Flu: Finding Fast Cough Relief
Remedies for coughing to relieve symptoms, thin mucus, and clear phlegm include cough syrup and honey in hot water. Use...
Common Allergies: Symptoms and Signs
What are allergies? Pollen, food, perfumes, and many more things can provoke allergy symptoms. Allergies are an overreaction of...
How to Get Rid of a Cold: Natural Remedies
What home remedies work to get rid of a cold fast? Many claim cold symptoms and flu symptoms can be relieved with Echinacea,...
The Most Common Food Allergies for Kids and Adults
What common food allergens cause the most problems for adults and children? See this list of common food allergies and learn to...
Picture of Panniculitis from Cold
Panniculitis is an inflammation of the fat beneath the outer layer of skin, leaving the area red and tender. In this case, the...
Picture of Tattoo Allergic Reaction
Tattoo Allergic Reaction. It is possible to have reactions to the inks or the metals in the needles used in tattoos, causing...
Picture of Allergic Contact Dermatitis
Allergic contact dermatitis. Exposure to the oily sap (urushiol) of poison ivy, poison oak, and poison sumac can result in...
Picture of Allergic Contact Dermatitis (Arm)
Allergic Contact Dermatitis on Arm. This example of allergic contact dermatitis is a reaction to a henna tattoo on the arm, after...
Picture of Allergic Contact Dermatitis (Tattoo)
Allergic contact dermatitis. This is reaction by your skin after coming into contact to some substance that you are allergic to....
COVID-19 Vaccine Myths and Facts Quiz
The FDA has granted Emergency Use Authorizations for COVID-19 vaccines that have been shown to be safe and effective as...
Novel Coronavirus (COVID-19) Prevention Quiz
Why is coronavirus considered dangerous? What are the symptoms you should look for? Take this COVID-19 prevention quiz to learn...
Coronavirus COVID-19 Prevention: Test Your Medical IQ
What's really the best way to prevent the spread of new coronavirus COVID-19? Should wear a mask or not? Take this quiz to find...
Allergies Quiz: Symptoms & Home Remedies
What are the causes of allergies? This online quiz challenges your knowledge of common food and household allergens,...
Common Cold Quiz: Test Your Medical IQ
Take this quiz to learn the truth behind the infectious, contagious, uncomfortable disease known as the common cold. Test your...
Cold & Flu Quiz: Influenza vs. Common Cold
Aches? Pain? Fever? This Cold & Flu Quiz tests your knowledge on the difference between coming down with the common cold and...
Picture of Herpes Blister (Cold Sore)
Cold sores (fever blisters) are caused by the herpes simplex virus (HSV), passed on through contact with infected skin or body...
Picture of Eye Allergies
Severe allergic eye symptoms can be very distressing and are a common reason for visits to the allergist or ophthalmologist. See...
Picture of Cold Sores Treatment
You can't cure HSV or a cold sore, but you can alleviate the pain it causes by avoiding spicy or acidic foods, applying ice, and...
Picture of Cold Sore and Canker Sore
Cold sores and canker sores aren't the same. See a picture of Cold Sore and Canker Sore and learn more about the health topic.
Picture of Cold Sore Between Nose and Mouth
Can a cold sore appear somewhere other than your lip? They are not as common, but cold sores can appear anywhere on the face,...
Picture of Cold Sores (Fever Blisters)
Cold sores, sometimes called fever blisters, are groups of small blisters on the lip and around the mouth. See a picture of Cold...
Healthy Living: Ways to Warm Up if You’re Always Cold
Always shivering when others aren't? Here are some tips for warming up if you’re a "cold-natured" person.
10 Signs Your Allergies Are Out of Control
Learn 10 signs your allergies are out of control. See these surprising allergy symptoms and find out how to get relief for...
Allergies: 10 Ways to Reduce Mold Allergies
WebMD shows you 10 ways to fight the fungus and reduce mold allergy symptoms from dust masks to bottles of bleach.
Why Do I Have the Chills? Reasons Other Than Fever
Chills and fever often come as a combo, but sometimes chills happen with a normal temperature. Find out what could be behind...
COVID-19 Coronavirus Disease: Articles of Interest
Read about COVID-19 Coronavirus Disease. See interesting articles related to vitamins and supplements to boost immunity,...
How to Prevent the Common Cold
What home remedies work for the common cold? The common cold is arguably the most common human illness. Learn how long the common...
Coronavirus COVID-19 (SARS-CoV-2) Pandemic Outbreak: What You Need to Know
A new strain of coronavirus (COVID-19, SARS-CoV-2) was reported from Wuhan, China in December, 2019. This outbreak of respiratory...
COVID-19 (Coronavirus): Mask Mistakes You're Making Now
You're wearing your mask every time you leave home. But could you be making simple mistakes that make your mask less effective?...
10 Worst Cities for Spring Allergies
See pictures of the top 10 "spring allergy capitals", according to the Asthma and Allergy Foundation of America (AAFA). From...
Home Remedies for Sick Children
Home remedies for sick babies, toddlers, and kids can help with things like colds, flu, cough, sore throat, stuffy nose, fever,...
When Animal (Allergies) Attack: Pet Allergy Symptoms, Treatment
How do you control and relieve pet allergies? How do you prevent pet allergies? Learn dog and cat allergy symptoms, the cause of...
Nasal Irrigation: Natural Relief for Cold & Allergy Symptoms
Clogged sinuses and congestion bothering you? Nasal irrigation can relieve sinus symptoms associated with colds and allergies....
Why Your Feet Are Always Cold and What to Do About It
Cold feet could be nothing or a sign of a medical condition. Learn why your tootsies are cold and how to keep them toasty.
Lung Disease & Respiratory Health: Should I Get a COVID-19 Antibody Test?
If you had COVID-19 symptoms but never got tested, or if you have long-term symptoms that just won't go away, you may want to get...
Whooping Cough (Pertussis) Symptoms, Vaccine Facts
Whooping cough (Bordetella pertussis) is a highly contagious bacterial infection. Vaccines and antibiotics could prevent whooping...
A Cold or The Flu? How to Tell the Difference
Discover the difference between cold vs. flu symptoms. Learn the difference between cold and flu symptoms. Read about cold and...
Cold, Flu, & Cough: How to Clean After Illness
This slideshow gives you a room-by-room look at how and what to disinfect after someone in your family has been sick.
Pictures of Allergy Relief Tips at Home: AC Filters, Electronic Air Cleaners, and More
Learn how a combination of medication, preventing allergens, and allergy relief products can reduce allergy symptoms and help you...
Allergies: Myths and Facts About Seasonal Allergies
Seasonal allergy symptoms are hard. Do deserts prevent allergies? What can allergies do to your body? What is an allergen? Adult...
Nasal Allergy Attack: Causes, Triggers, Treatments
Nasal allergies are a common problem that affects millions of people. An allergist can recommend the best allergy nasal sprays...
Cold, Flu, and Cough: Things That Suppress Your Immune System
A strong immune system is your best protection against infections and illnesses. Find out what can weaken that defense.
The Cold, Hard Truth About Defrosting
There are three safe places to thaw your food, and your counter isn’t one of them. Sidestep food poisoning with these dos and...
Allergies: Common Plants and Trees That Trigger Allergies
Find out more about which plants and trees might be producing pollen that is causing your itchy eyes and a runny nose.
Cold, Flu, and Cough: How to Avoid Infectious Diseases
The right habits will lower your chances of catching an infectious disease. Learn what you can do to help yourself stay healthy.
Germs: Everyday Items with the Most Bacteria
Explore the germiest places you may encounter daily. Bacteria is everywhere. Learn tips to avoid germs and bacteria in public...
Cold and Flu: The Truth About Hand Sanitizer
Hand sanitizers are a convenient way to kill germs. But do they really work? Here's what we found.
Itchy Eyes? Top 13 Ways to Tame Eye Allergies
Do you need eye drops? Eye allergies, or allergic conjunctivitis, cause itchy eyes and other allergic symptoms. Avoiding...
Dangerous Allergies: Anaphylaxis and Life-Threatening Allergy Triggers
Common allergy triggers may provoke anaphylaxis. Hives, tongue swelling, face swelling, rashes, low blood pressure, rapid and...
Home Allergy Quiz: Is Your Home Allergy-Proof?
Take this home allergy quiz and test your knowledge on allergens, dust mites, pollens and more to see how allergy-proof your home...
What Drugs May Fight COVID-19? Drug Trials, Treatments, Vaccines
What drugs could help fight coronavirus COVID-19? Clinical studies are ongoing for antiviral drugs like hydroxychloroquine,...
COVID-19: Don't Delay Doctor Visits Because of COVID
You want to protect yourself from COVID-19, but you still need medical care. Find out when it's important to see a doctor.
How Can Parents Help Children Stay Social During COVID-19?
The COVID-19 pandemic has affected children with fewer social opportunities. As a parent, here's how you can help them socialize...
Preparing for Severe Allergies at School
Help your child manage and prepare for severe allergies at school. Protect your child from food allergies, insect stings, and...
Cold and Flu: What Doctors Do to Boost Their Immune Systems
How can you make your immune system stronger? Why not try what the pros try?
Cold, Flu, & Cough: Symptoms of Immune System Problems
Your immune system is your main line of defense against infection and illness. Learn the warning signs that yours isn’t working...
Top Items for Your Allergy Relief Kit
Be prepared for your next allergy attack no matter where you are. WebMD shows you what you need in your allergy kit to help...
12 Natural Ways to Defeat Allergies
Allergies making you miserable? WebMD shows you a dozen natural allergy treatments, from fresh fruit and vitamin D to acupuncture...
Related Disease Conditions
Cough: 19 Tips on How to Stop a Cough
Coughing is a reflex that helps a person clear their airways of irritants. There are many causes of an excessive or severe cough including irritants like cigarette and secondhand smoke, pollution, air fresheners, medications like beta blockers and ACE inhibitors, the common cold, GERD, lung cancer, and heart disease.Natural and home remedies to help cure and soothe a cough include staying hydrated, gargle salt water, use cough drops or lozenges, use herbs and supplements like ginger, mint, licorice, and slippery elm, and don't smoke. Over-the-counter products (OTC)to cure and soothe a cough include cough suppressants and expectorants, and anti-reflux drugs. Prescription drugs that help cure a cough include narcotic medications, antibiotics, inhaled steroids, and anti-reflux drugs like proton pump inhibitors or PPIs, for example, omeprazole (Prilosec), rabeprazole (Aciphex), and pantoprazole (Protonix).
The common cold (viral upper respiratory tract infection) is a contagious illness that may be caused by various viruses. Symptoms include a stuffy nose, headache, cough, sore throat, and maybe a fever. Antibiotics have no effect upon the common cold, and there is no evidence that zinc and vitamin C are effective treatments.
Do Cold Sores Mean You Have an STD?
Having a cold sore does not necessarily mean you have an STD. Most cold sores are caused by herpes simplex virus type 1 (HSV-1), which typically is not transmitted by sexual contact.
How Long Does an Allergic Reaction Last?
Allergic reactions may last for varying lengths of time. They may take a few hours to a few days to disappear. If the exposure to the allergen continues, such as during a spring pollen season, allergic reactions may last for longer periods such as a few weeks to months.
What Do COVID-19 Body Aches Feel Like?
COVID-19 body aches feel like dull muscle pain and can affect the shoulders, lower back, or legs. Learn more about coronavirus symptoms. Check out the center below for more medical references on the coronavirus, including multimedia (slideshows, images, and quizzes), related diseases, treatment, diagnosis, medications, and prevention or wellness.
When Do You Lose Your Sense of Smell and Taste With COVID-19?
According to recent studies, COVID-19 symptoms of loss of smell and taste typically begin 4-5 days after other symptoms have appeared and may last 7-14 days.
Pimple vs. Cold Sore
Pimples are areas of skin inflammation with pus in the center. Cold sores are fluid-filled blisters. Pimples are caused by bacterial overgrowth and inflammation. Cold sores are caused by infection with herpes simplex viruses (HSV-1 and HSV-2). Benzoyl peroxide and sometimes antibiotics treat acne. Antiviral medications accelerate the healing process of oral herpes.
Cold Sores (Oral Herpes, Herpes Labialis)
Cold sores (labial herpes) are caused by herpes simplex virus type 1 infection and often appear on the mouth and lips. Read about treatment causes, symptoms, treatment, and diagnosis of oral herpes.
An allergy refers to a misguided reaction by our immune system in response to bodily contact with certain foreign substances. When these allergens come in contact with the body, it causes the immune system to develop an allergic reaction in people who are allergic to it. It is estimated that 50 million North Americans are affected by allergic conditions. The parts of the body that are prone to react to allergies include the eyes, nose, lungs, skin, and stomach. Common allergic disorders include hay fever, asthma, allergic eyes, allergic eczema, hives, and allergic shock.
Chronic cough is a cough that does not go away and is generally a symptom of another disorder such as asthma, allergic rhinitis, sinus infection, cigarette smoking, GERD, postnasal drip, bronchitis, pneumonia, medications, and less frequently tumors or other lung disease. Chronic cough treatment is based on the cause, but may be soothed natural and home remedies.
What Is the Recommended Pain Reliever for COVID-19?
Acetaminophen (Tylenol), ibuprofen (Advil, Motrin) and naproxen (Aleve) can all be used for pain relief from COVID-19 body aches if they are taken in the recommended doses.
Why Am I Coughing Up Bloody Mucus?
Coughing up blood may be caused by benign conditions such as a throat infection or very serious conditions such as lung cancer. Learn when to go to the ER.
What Are the 4 Types of Allergic Reactions?
Allergists recognize four types of allergic reactions: Type I or anaphylactic reactions, type II or cytotoxic reactions, type III or immunocomplex reactions and type IV or cell-mediated reactions.
Cold and Cough Medicine for Infants and Children
The safety of giving infants and children over-the-counter (OTC) cold and cough medicine is important for caregivers to understand. While there is no "gold standard" recommendation for giving infants and children OTC cold and cough medicine for fever, aches, cough, and runny nose, a few standards have been recommended.
Can You Suddenly Become Allergic to Cats?
Yes, it is possible to suddenly become allergic to cats, since various allergies can develop at any point in your life, such as a pet allergy.
Is It Common to Get a Cold During Early Pregnancy?
It is common to get a cold and the flu during pregnancy. Find out if it affects the baby and how to take care of yourself.
How Do I Stop a COVID-19 Cough?
Cough is a symptom of COVID-19 that can linger for weeks even after the infection has cleared up. Here are 9 tips for stopping a COVID-19 cough.
What Are the 20 Most Allergic Foods?
Common food allergies include milk, eggs, peanuts, tree nuts, sesame, soy, fish, shellfish, and wheat. Here are 20 of the top food allergies.
Can You Take Tylenol Cold and Flu While Breastfeeding?
Tylenol is a well-known brand of acetaminophen and it is safe and effective for fever and pain.A void combined products like Tylenol Cold and Flu while you are breastfeeding.
Adenovirus 14 (Killer Cold Virus)
Adenovirus infection, particularly Ad14, or the "killer cold virus" has been on the increase in the past two years. Symptoms range from those experienced with colds, sore throat, bronchitis, pneumonia, diarrhea, pinkeye, fever, bladder infection, and neurological conditions. Diagnosis and treatment options need to be discussed with your physician.
Common Cold: Early Signs and 4 Stages
The common cold or viral rhinitis is an upper respiratory infection caused by several types of viruses. It is one of the most common infectious diseases affecting humans. A common cold may typically follow a certain pattern of progression that has four different stages.
Fragrances and preservatives in cosmetics may cause allergic reactions in some people. Symptoms include redness, itching, and swelling after the product comes in contact with the person's skin. Treatment typically involves the use of over-the-counter cortisone creams.
The most common food allergies are to eggs, nuts, milk, peanuts, fish, shellfish, strawberries and tomatoes. Symptoms and signs of a food allergy reaction include nausea, vomiting, diarrhea, abdominal pain, itching, hives, eczema, asthma, lightheadedness, and anaphylaxis. Allergy skin tests, RAST, and ELISA tests may be used to diagnose a food allergy. Though dietary avoidance may be sufficient treatment for mild allergies, the use of an Epipen may be necessary for severe food allergies.
Is COVID-19 One of the Causes of Pleurisy?
Pleurisy is a painful lung condition that makes it hard to breathe. Learn what causes it, how it's diagnosed, what you can do to treat it, and if COVID-19 causes it.
How Do You Treat a Cold Sore in Your Nose?
Cold sores are a type of blister that may show up clear and then become cloudy. Treat a cold sore under your nose with home remedies, topical creams and ointments, and prescription medications.
Is a Cough Contagious?
There are many types of coughs: for example, dry cough, wet cough, a barking cough, whooping cough, stress induced cough, acute cough, and chronic cough. Cough is a symptom of an underlying condition or disease. Treatment of cough as a symptom is generally with OTC lozenges and liquids. The cause of the cough will be necessary to treat.
What Is Considered to Be Fever for COVID-19?
A body temperature of 100.4 degrees F or higher is generally seen in people with COVID-19, although not everyone who is infected with the virus will develop a fever. Symptoms of COVID-19 may appear 2-14 days after exposure to infection. Other COVID-19 symptoms may include cough, runny nose, body aches, headache, sore throat, difficulty breathing, nausea with or without vomiting, diarrhea, loss of taste, loss of smell, and abdominal pain.
How Cold Is Too Cold to Go Outside?
Human body is capable of maintaining a steady core temperature between 97°F and 99°F. However, it is essential to layer up in cold weather and wear comfortable clothes in warm weather, so that we stay protected from extremes of temperature.
Diabetes and Safe Medications for Colds & Flu
If you have diabetes and catch a cold or the flu, can be more difficult to recover from infections and their complications, for example, pneumonia. Home remedies and over-the-counter (OTC) drugs used for the treatment of the signs and symptoms of colds and the flu may affect blood sugar levels in people with diabetes.Some medications are OK to take if you have diabetes get a cold or the flu include nonsteroidal anti-inflammatory drugs or NSAIDs, like acetaminophen (Tylenol) and ibuprofen (Motrin) to control symptoms of fever and pain. Most cough syrups are safe to take; however, check with your pediatrician to see what medications are safe to give your child if he or she has type 1 or 2 diabetes. If you have diabetes and are sick with a cold or flu, you need to check your blood sugar levels more frequently. Continue taking your regular medications. Eat a diabetic low-glycemic index diet rich in antioxidants. To prevent colds and the flu drink at least eight 8 ounce glasses of water a day. To replenish fluids, drink sports drinks like Gatorade and Pedialyte to replenish electrolytes. Avoid people who are sick, sneezing, coughing, or have other symptoms of a cold or flu.
How Do You Get Rid of a Cold Overnight?
Cold symptoms are part of your body’s healing processes. Most of the time, it does not require any help. However, you can get rid of a cold faster, even overnight, by resting, drinking hot fluids, blowing your nose, gargling with salt water, taking a hot shower, using a humidifier and taking OTC pain relievers and decongestants.
How Long Is a Cold or Flu Contagious?
Viruses cause the common cold and the flu. Early symptoms and signs for a cold and the flu are similar, however, flu symptoms are typically more severe than cold symptoms. Cold and flu viruses are transmitted typically via coughing or sneezing.
How Can I Stop Dry Cough at Night?
Dry coughing at night can disrupt your sleep and make you drowsy the next day. Learn about why dry coughing at night occurs and how you can stop or ease symptoms.
What Can I Take for a Cough While Pregnant?
Seasonal flu, colds, and allergies are common ailments affecting most people all round the year. You must always be cautious of any medication that you take. This is especially true in pregnancy and during breastfeeding, given the effects these drugs may have on the unborn or breastfed child.
How Can I Get Rid of a Cold While Breastfeeding?
The common cold is a viral infection that affects your nose and throat. There is no cure for the cold while breastfeeding, so you’ll need to give it time to clear up.
How Do You Know if You Have Bronchitis or COVID-19 (Coronavirus)?
What is the difference between bronchitis and COVID-19 (Coronavirus)? Learn how to recognize the symptoms of bronchitis and COVID-19 to help you treat either illness. Bronchitis or “chest cold” refers to the inflammation of the airways (bronchial tubes) in the lungs. Air passes through the lungs within a network of tubules called bronchial tubes. Bronchitis is often associated with persistent, nagging coughs with mucus. Learn more about when a cold becomes bronchitis.
What Happens if a Pregnant Woman Gets a Cold?
Having an ordinary cold shouldn't be harmful to the baby or mother. Pregnant women are highly likely to pick up a cold at some time during pregnancy because it's normal to catch two or three colds a year. A healthy lifestyle is a must to keep the immune system strong and to prevent colds.
What Are the Symptoms of a Milk Allergy in Adults?
Milk allergy reactions may cause immediate or delayed symptoms. Learn to spot the signs and what foods to avoid if you have a dairy allergy.
How Long Could Fatigue Last After COVID-19 Infection?
Fatigue usually lasts for 2-3 weeks after COVID-19 infection, although some people may experience fatigue for 12 weeks or more after the infection is gone.
Does Your Upper Back Hurt With COVID-19?
COVID-19 can cause upper back pain as well as other body aches. Back pain can even linger months after infection. Learn about what causes back pain with COVID-19.
Are Cold Sores (Fever Blisters) Contagious?
About 20% of cases of cold sores are caused by herpes simplex virus type 2 (HSV-2), and approximately 80% of cold sores are caused by herpes simplex virus type 1 (HSV-1). Cold sores are transmitted by sharing utensils and razors, kissing, and oral sex. There is no cure for cold sores.
Indoor allergens are substances that can cause an allergic reaction in some people. Common sources of indoor allergens include dust mites, cockroaches, molds, pets, and plants. Avoiding indoor allergens is one way to reduce allergy and asthma symptoms.
Is It Better to Drink Cold Water or Room Temperature Water?
The effects of drinking both room temperature and cold water vary by person, specifically by health, age, and the amount being consumed.
What SpO2 Oxygen Level Is Normal for COVID-19 Patients?
In a patient with COVID-19, SpO2 levels should stay between 92%-96%. Low oxygen levels that drop below this threshold require medical attention.
COVID-19 vs. Flu vs. Cold
When you're feeling sick, it can be difficult to distinguish the symptoms of a COVID-19 infection from the symptoms of the common cold or the flu (influenza). While fever is common with the flu and COVID-19, sneezing is typically only associated with colds. Though sore throats are typical with colds, they are uncommon with COVID-19 infections and the flu.
What Is the Fastest Way to Cure Kennel Cough?
You can hasten your dog’s recovery from kennel cough by making sure the animal gets plenty of rest, takes enough fluids, and eats a nutritious diet.
Hay Fever (Allergic Rhinitis)
Hay fever (allergic rhinitis) is an irritation of the nose caused by pollen and is associated with the following allergic symptoms: nasal congestion, runny nose, sneezing, eye and nose itching, and tearing eyes. Avoidance of known allergens is the recommended treatment, but if this is not possible, antihistamines, decongestants, and nasal sprays may help alleviate symptoms.
How Long After COVID-19 Symptoms Appear Should I Get Tested?
The CDC recommends that anyone who is exposed to COVID-19 should test four to five days after their suspected exposure.
What Is a High Temperature for COVID-19?
COVID-19 infection can cause a fever or high body temperature of 100.4°F or higher.
Does COVID-19 Give You a Stomach Ache?
COVID-19 can cause stomach ache along with other gastrointestinal issues, often the result of liver damage or medications given for treatment.
Are Cold Sores the Same as Herpes?
What is the difference between cold sores and herpes? Cold sores are painful, unsightly sores that usually pop up around your mouth. Certain medications, home care and alternative therapies may help you get rid of cold sores fast.
How Long Does Headache Last With COVID-19?
Headache is a potential symptom of COVID-19 and can also occur after getting vaccinated. COVID-19 headaches typically last for a few days, although the duration depends on your age, immune system, and overall health condition. In mild cases of COVID-19, headaches will usually resolve within a few days. However, in more severe cases, mild or moderate headaches may come and go for up to 90 days.
Whooping Cough (Pertussis)
Whooping cough (pertussis) is a highly contagious respiratory infection caused by the bacteria Bordetella pertussis. There are an estimated 300,000 plus deaths annually from whooping cough (pertussis). Whooping cough commonly affects infants and young children but can be prevented with immunization with the vaccine. First stage whooping cough symptoms are a runny nose, sneezing, low-grade fever, a mild cough with the cough gradually becoming more severe. After one to two weeks, the second stage of whooping cough begins.
Does Being Cold Make Your Muscles Ache?
Cold weather can tighten the muscles and joints, leading to muscle aches and pain.
COVID-19 (Coronavirus, 2019-nCoV)
Infection with COVID-19 (2019 novel coronavirus, 2019-nCoV) causes respiratory problems in humans. Transmission of COVID-19 occurs mainly through contact with respiratory sections from an infected person, however, fecal contamination may also spread the virus. Symptoms start off flu-like and progress to coughing, fever, shortness of breath, shaking chills, headache, loss of sense of taste and/or smell, muscle pain, and sore throat. Treatment focuses on supportive care and symptom relief. COVID-19 vaccines are available.
Does COVID-19 Cause Weird Dreams?
Research shows that the COVID-19 pandemic has had a significant effect on sleep and dream activity in healthy adults.
How Can I Stop My Child From Coughing?
Treatment for cough is not recommended unless the cough interferes with the child’s sleep or activity or is accompanied by a fever. Different age groups of children require different therapies to stop them from coughing. Some good home remedies to treat cough in children include honey, warm milk, hydration, steam inhalation, resting, saline nose drops and other strategies.
Cold vs. Flu
Though the common cold and flu share many signs and symptoms, they are caused by different viruses. Signs and symptoms include sneezing, sore throat, runny nose, fatigue, and cough. Treatment options for the cold and flu are similar and focus on reducing symptoms. Doctors may prescribe antivirals/neuraminidase inhibitors for the flu.
Eye allergy (or allergic eye disease) are typically associated with hay fever and atopic dermatitis. Medications and cosmetics may cause eye allergies. Allergic eye conditions include allergic conjunctivitis, conjunctivitis with atopic dermatitis, vernal keratoconjunctivitis, and giant papillary conjunctivitis. Dry eye, tear-duct obstruction, and conjunctivitis due to infection are frequently confused with eye allergies. Eye allergies may be treated with topical antihistamines, decongestants, topical mast-cell stabilizers, topical anti-inflammatory drugs, systemic medications, and allergy shots.
Is Your Immune System Stronger After COVID-19?
A robust immune system protects you from getting sick following exposure to germs and viruses. Yes, recovering from COVID-19 makes your immune system stronger.
What Are COVID Toes and Fingers?
While less common, COVID-19 can affect your skin. COVID toes and fingers refer to rashes and discoloration on the toes and fingers of people infected with the virus.
Cold, Flu, Allergy Treatments
Before treating a cold, the flu, or allergies with over-the-counter (OTC) medications, it's important to know what's causing the symptoms, which symptoms one wishes to relieve, and the active ingredients in the OTC product. Taking products that only contain the medications needed for relieving your symptoms prevents ingestion of unnecessary medications and reduces the chances of side effects.
How Do I Get Rid of a Cold Sore Overnight?
You cannot get rid of cold sores overnight. There is no cure for cold sores. However, to speed up the healing time of a cold sore, you can consult with your doctor and take prescription medications such as antiviral tablets and creams. A cold sore may go away without treatment within a week or two.
Does COVID-19 Start With Body Aches?
COVID-19 has symptoms similar to the flu or common cold. Fever, headaches, and body aches are typically the first sign of COVID-19. These pains can come on slowly or appear suddenly.
What Causes Sudden Allergies in Adults?
Can you develop allergies as an adult? Learn about what causes sudden adult-onset allergies and how you can recognize the symptoms.
Is It Possible to Be Allergic to Cinnamon?
Cinnamon is a popular spice in many dishes. Cinnamon gives dishes a distinct flavor. Only a small percent of people experience allergic reactions after ingesting or coming into contact with cinnamon.
What Part of the Body Loses the Most Heat in Cold Water?
Due to a higher blood flow in the head and neck than in the rest of the body, 40 to 45 percent of body heat is lost through the head and neck.
Genital Herpes and Cold Sores: 10 Myths and Facts
Genital herpes and cold sores (oral herpes) are the names given to two types of infection caused by the two types of herpes simplex virus (HSV): HSV-1 and HSV-2.
Children's Cough Causes and Treatments
Children's cough causes include infection, acid reflux, asthma, allergies or sinus infection, whooping cough, and exposure to irritants. Treatment for a child's cough include cough medicine for children over the age of four.
Allergy Treatment Begins at Home
Avoiding allergy triggers at home is one of the best ways to prevent allergy symptoms. Controlling temperature, humidity, and ventilation are a few ways to allergy-proof the home. Cleaning, vacuuming, and using HEPA air filters also helps control allergies.
When Does a COVID-19 Patient Need to Go on a Ventilator?
When COVID-19 leads to ARDS, a ventilator is needed to help the patient breathe. ARDS reduces the ability of the lungs to provide enough oxygen to vital organs.
Peanut allergies causes signs and symptoms that include hives, itching, redness, and a rash. Severe reactions may cause decreased blood pressure, lightheadedness, difficulty breathing, nausea, and behavioral changes. Someone with a peanut allergy should have an EpiPen with them at all times.
What Nuts Are the Worst for Allergies?
A nut allergy develops when the body's immune system becomes oversensitive to a particular protein in a nut. Nuts that are the worst for allergies include peanuts, walnuts, pecans, almonds, Brazil nuts and pine nuts.
What Is Allergic Cascade?
The allergic cascade refers to allergic reactions that happen in the body in response to allergens. A variety of immune cells and chemical messengers participate in the allergic cascade. Symptoms of the allergic cascade range from mild swelling and itching to full-blown anaphylactic shock. Allergen avoidance and medications are used to prevent or treat allergies.
Is Drinking Cold Water Bad?
About 60 percent of the body is made up of water. It forms a major part of the blood. The cells and the body cannot function right if the water levels go down. Drinking cold water often causes “cold stress” in the body.
How Long Is a COVID-19 Patient Contagious?
People infected with COVID-19 can still be contagious even when they stop feeling sick, so precautionary measures should continue for at least 2 weeks after symptoms disappear and until the COVID-19 test result is negative. Ideally, patients should be quarantined at home or an institution for 2 weeks after the symptoms completely disappear.
How COVID-19 Affects the Eyes
Recent studies have found that COVID-19 can affect multiple organs, including the eyes. Learn more about potential eye problems associated with COVID-19.
What Is the Fastest Way To Cure a Cough?
Learn what medical treatments can help ease your cough symptoms and speed up your recovery.
Does COVID-19 Cause Dizzy Spells?
Although not a typical symptom of COVID-19, neurological symptoms, such as dizziness, are associated with coronavirus infection.
How Long Does It Take for Allergic Conjunctivitis to Go Away?
Without treatment, allergic conjunctivitis symptoms could last the entire time that your critical allergen is present — which can vary greatly.
Sinus Infection vs. Cold
Viruses cause the common cold and most sinus infections. Bacterial and fungal infections may also cause a sinus infection. Signs and symptoms of colds and sinus infections include nasal irritation or dryness, sore throat, stuffy nose, nasal discharge/congestion, sneezing, and cough. Additional symptoms of sinus infections include sinus pressure behind the cheeks or eyes, facial pain when pressure is applied, bad breath, and thick yellow or green mucus. Treatment focuses on symptom relief.
Can Congestion Be the Only Symptom of COVID-19?
Congestion can be the only symptom of COVID-19 in some cases.
What Are the Best Treatments for Allergic Conjunctivitis?
Learn what medical treatments can ease allergic conjunctivitis symptoms and help speed up your eye allergy recovery.
Can a Sore Throat Be the Only Symptom of COVID-19?
Although rare, COVID-19 may present with only sore throat in about 5%-10% of cases. COVID-19-related sore throat is relatively mild and lasts no more than 4-5 days.
Can You Eat Avocado if You Have a Nut Allergy?
Since avocado is classified as a fruit and not a tree nut, you should be able to eat avocados even if you have a nut allergy. However, some studies have shown that avocados have similar proteins as chestnuts. So if you’re allergic to chestnuts, you may have to avoid avocados.
Insect Sting Allergies
The majority of stinging insects in the United States are from bees, yellow jackets, hornets, wasps, and fire ants. Severity of reactions to stings varies greatly. Avoidance and prompt treatment are essential. In selected cases, allergy injection therapy is highly effective.
Which Organ System Is Most Often Affected by COVID-19?
Lungs are the main organs affected by COVID-19; however, the virus can also affect other organs, such as the kidneys, brain, and liver.
What Is the Most Common Tree Nut Allergy?
The most common nut allergies are cashew, walnut, hazelnut and pistachio. In the U.S. the most common nut allergy is cashew, followed by walnut. In the U.K. the most common nut allergy is hazelnut.
Do Allergy Desensitization Shots Work?
Allergies happen when your immune system overreacts to harmless substances called allergens. Allergy desensitization shots make your body less likely to react to allergen.
Sinus Infection vs. Allergies
Both sinus infections and allergies (allergic rhinitis) cause symptoms such as runny or stuffy nose and fatigue. Sinus infection (known as sinusitis) is inflammation of the sinuses, caused by infection from bacteria, viruses, and/or fungi (molds). Allergic rhinitis occurs when certain allergies cause nasal symptoms. When a person with allergies breathes in an allergen, such as pollen, dust, or animal dander, symptoms such as runny or stuffy nose, itching, sneezing, and fatigue occur.
Is There a Lot of Sneezing With COVID-19?
While sneezing is not a definitive symptom of COVID-19, some people infected with the Delta variant have complained of sneezing.
Are Food Allergies Passed Down Genetically?
A food allergy is a condition that causes your immune system to fight against a particular part of food — which is called an allergen. Food allergies can be hereditary — that is, parents can pass the likelihood of developing a food allergy to their children through genes that code for inherited traits.
Is the COVID-19 Booster Shot the Same Vaccine as the First Two Shots?
COVID-19 booster shots are the same formulation as the existing vaccines. However, the Moderna booster is half the dose of the previous two doses.
How Do You Know if You Have a Sinus Infection (Sinusitis) or COVID-19 Coronavirus?
Learn how the signs and symptoms of a sinus infection are different from those caused by COVID-19.
Can COVID-19 Cause Mediastinal Lymphadenopathy?
COVID-19 can cause mediastinal lymphadenopathy, but it is not considered a typical finding on chest CT scans of patients infected by COVID-19.
What Causes Allergy Flare-ups?
During certain seasons, allergies can make you miserable. Learn what causes allergy flare-ups during spring and summer.
Can Diarrhea Be an Initial Symptom of COVID-19?
COVID-19 has become a common illness that affects many people. Learn the signs of COVID-19, what causes it, how doctors diagnose it, and what you can do to treat it.
How Long Does Whooping Cough Last?
What is whooping cough and how long does whooping cough last? Learn more about whooping cough and how to recover from whooping cough.
When Is BiPAP Used for COVID?
BiPAP helps improve breathing in people who have severe difficulty in breathing irrespective of the lung injury being COVID-19 related.
Is It a Cold or a Sinus Infection?
A sinus infection, also known as sinusitis or rhinosinusitis, is a condition in which the delicate membranes that line the sinuses may get swollen and become red. A cold or common cold is a viral infection. It affects the upper respiratory system, which includes the nose, mouth, throat, and lungs.
What Are the Most Common Long-Term Effects of COVID-19?
Most people recover from COVID-19 in two weeks. The most common long-term effects of COVID-19 infection are mood problems, neurological issues, heart disease, liver disease, lung disease, and heart disease.
How Do You Calm Down an Allergy Attack?
Here are thirteen tips to calm an allergy attack and put an end to constant sneezing, itching, and congestion.
What Does a COVID-19 Headache Feel Like?
COVID-19 headache may feel like a pulsing, pressing, or stabbing pain.
Drug Allergy (Medication Allergy)
Drug or medication allergies are caused when the immune system mistakenly creates an immune response to a medication. Symptoms of a drug allergic reaction include hives, rash, itchy skin or eyes, dizziness, nausea, diarrhea, fainting, and anxiety. The most common drugs that people are allergic to include penicillins and penicillin type drugs, sulfa drugs, insulin, and iodine. Treatment may involve antihistamines or corticosteroids. An EpiPen may be used for life-threatening anaphylactic symptoms.
What Is the Difference Between Allergy and Hay Fever?
Hay fever is a type of allergy that occurs in response to specific allergens and typically lasts for months. Learn more about allergies vs. hay fever.
COVID-19 vs. Allergies
Though there is some overlap in allergy and COVID-19 signs and symptoms there are also significant differences. Symptoms that they have in common include headache, fatigue, tiredness, shortness of breath, wheezing, and sore throat. Fever does not occur with allergies but is one of the defining symptoms of COVID-19 infections.
When Might COVID-19 Booster Shot Side Effects Start?
Typically vaccine-related side effects are reported within 24 to 48 hours of taking the vaccine.
What Is the Best Treatment for Whooping Cough?
Learn what medical treatments can help ease your whooping cough symptoms and speed up your recovery.
Can I Drink Alcohol Before Getting a COVID-19 Vaccine?
While no scientific evidence exists claiming to avoid alcohol before or after the COVID-19 vaccine, health officials still advise against drinking a week before or after.
How Do You Know If You Are Allergic to Mosquito Bites?
Mosquito bite allergies can cause issues if untreated. Learn the signs of a mosquito bite allergy, what causes it, and what you can do to treat it.
Can COVID-19 Affect a Newborn Baby?
There is a low risk of transmitting COVID-19 from mother to child during pregnancy. In some cases, newborns might test positive for COVID-19 after birth. Symptoms for newborns who test positive may range from mild to severe illness.
Latex allergy is a condition where the body reacts to latex, a natural product derived from the rubber tree. The reaction can either be delayed and cause a skin rash or immediate, which can lead to anaphylaxis. Avoiding latex is the most effective way to prevent an allergic reaction.
How Soon After the COVID-19 Booster Vaccines Are You Protected?
According to recent studies, it takes about 14 days after receiving the COVID-19 booster vaccine for your immune system to offer protection from the virus.
What Are the Differences Between Moderna and Pfizer-BioNTech COVID-19 Vaccines?
Despite being made using the same technology and sharing similar effects on the body, here are the differences between the Moderna and Pfizer-BioNTech COVID-19 vaccines.
What Can You Take for a Cold While Pregnant?
You may take over-the-counter (OTC) treatment after consulting with the physician because these are generally safe. OTC medications for colds and flus include acetaminophen, guaifenesin syrup and saline nasal drops or spray. You can also use natural remedies to treat a cold during pregnancy.
How Serious Is Whooping Cough in Adults?
What is whooping cough (pertussis) and how serious is it for adults? Learn causes, symptoms and treatments.
How Do I Know if I Am Lactose Intolerant or Allergic to Milk?
Lactose intolerance is caused by a deficiency of an enzyme (lactase) that helps digest the sugar (lactose) in milk. Milk allergy, on the other hand, is an adverse immune reaction to proteins found in milk. The symptoms of the two conditions are different.
Should I Get Tested for COVID-19 if I Have a Sore Throat?
If you have a sore throat along with symptoms such as fever, cough, and shortness of breath, you should get tested for COVID-19.
How Does COVID-19 Infection Affect the Placenta?
The placenta is the supply chain and waste disposal for the baby in your womb. After studying a few second-trimester and hundreds of third-trimester placentas from women with Covid-19, researchers determined the virus causes significant destruction within this vital organ.
Keep Your Immune System Healthy With COVID-19
Strong immunity is pivotal for the prevention and complete recovery from COVID-19. Here are eight tips to boost your immunity and reduce your risk of serious COVID-19 illness.
Can I Have COVID-19 and Fungal Infection at the Same Time?
One of those challenges is that bacterial and fungal infections can occur alongside COVID-19, especially in people whose cases are severe enough to put them in the ICU or who have existing comorbidities like diabetes or HIV.
How Can Teens Cope With A Cold?
Usually, teens have a healthy immune system to cope with common cold. Getting plenty of rest and drinking lots of fluids can ease the symptoms.
How Long Is a Cold Sore Contagious?
Cold sores are blisters around your mouth and lips. Cold sores are contagious until they are completely healed.
Emphysema, Chronic Bronchitis, and Colds
If you have a COPD such as emphysema, avoiding chronic bronchitis and colds is important to avoid a more severe respiratory infection such as pneumonia. Avoiding cigarette smoking, practice good hygeine, stay away from crowds, and alerting your healthcare provider if you have a sinus infection or cold or cough that becomes worse. Treatment options depend upon the severity of the emphysema, bronchitis, or cold combination.
Why Won’t My Allergy Symptoms Go Away?
Allergies happen when your body's immune system reacts to certain substances as though they are harmful. Allergy symptoms may not go away unless you avoid your triggers, stick to your medications, find the right combination of medications, and consider surgery.
What Are the Signs and Symptoms of Allergic Conjunctivitis?
What is allergic conjunctivitis, and how do you recognize it? Learn the signs of allergic conjunctivitis and how to treat it.
Is Whooping Cough (Pertussis) Contagious?
Whooping cough (pertussis) is a highly contagious respiratory infection caused by Bordetella pertussis. Whooping cough symptoms include severe coughing fits and whooping sound produced during inhalation. The bacteria spreads via airborne droplets produced during sneezing or coughing. There is a whooping cough vaccine that is typically administered during childhood vaccinations.
Can COVID-19 Leave Lingering Symptoms?
Nearly 80 percent of people infected with COVID-19 experience one or more lingering symptoms post-recovery.
Can I Get COVID-19 Again?
If you have had COVID-19, can you get it again? Yes, COVID-19 reinfection is rare but possible. Learn what symptoms to look for and how to protect yourself.
What Is the Fastest Way to Fix Seasonal Allergies?
Seasonal allergies are common and tend to ramp up during the spring and summer. Learn about how to get rid of seasonal allergies fast with these 13 home remedies.
What Are the 4 Most Common Allergens?
The four most common types of allergens include food and medications, pollen, pet dander, and latex.
How Common Is It to Be Allergic to Nickel?
Nickel allergies are common in 10 percent of the population in the United States and 18 percent of people in North America, including 11 million children.
Are Migraines a Symptom of COVID-19?
Although the main symptoms of COVID-19 are fever, cough, and shortness of breath, migraines are also a common symptom that may persist during or after infection.
What Can Trigger a Cold Sore?
After you get infected with HSV, it lies inactively in the nerve cells inside your skin and may appear as another cold sore at the same place as before.
Is It Safe to Go to the Gym During the COVID-19 Pandemic?
The COVID-19 pandemic changed many people's routines. Even if you are vaccinated, going to the gym does still come with some risk of getting COVID-19.
What Causes Nose Allergies?
Nose allergies can be caused by irritants such as pollen, animal dander, and household dust. Learn about symptoms, treatment, and prevention.
How Long Does a Cold Last?
Most often, a common cold lasts anywhere from 5 to 10 days in length.
COVID-19 (Coronavirus) Prevention Tips
COVID-19 is a novel coronavirus that spreads from person to person via infected respiratory droplets. The main symptoms of COVID-19 infection include cough, fever, and shortness of breath. Occasionally, people infected with COVID-19 may experience diarrhea, a sore throat, a runny or stuffy nose, or aches and pains. Avoiding contact with infected people, social distancing, not touching your face, frequent hand washing, cleaning, and disinfecting of frequently touched surfaces can help to reduce your risk of contracting the 2019 novel coronavirus.
What Happens If You Don't Take the Second Shot of the COVID-19 Vaccine?
If you don’t take the second shot of the COVID-19 vaccine, you will not reach full immunity against the virus and will be at higher risk of contracting the disease.
How Do You Fight Fatigue From COVID-19?
You can fight COVID-19 fatigue by getting plenty of rest, practicing good sleep hygiene, napping when needed, staying hydrated, and eating a balanced diet.
What Qualifies as Immunocompromised for Covid Vaccine Booster?
People with compromised immune systems who have already received two doses of either the Pfizer or Moderna COVID-19 vaccine are eligible for a third shot if they meet these immunocompromised conditions.
How Long Does Immunity Last After You Get Moderna, Pfizer, or Johnson & Johnson COVID-19 Vaccines?
People's bodies all respond differently to the vaccines so to understand how long immunity lasts, it comes down to your body’s antibody production.
Can Parents Spread COVID-19 to Kids?
Parents need to be aware that their children can easily contract COVID-19, exercise maximum caution, and follow the COVID-19 protocols to ensure everyone is safe.
Does COVID-19 Have an Effect on Your Skin?
COVID-19 can affect the skin with symptoms known as cutaneous manifestations that result in bumps, rashes, papules, and more.
Can COVID-19 Cause Pneumonia?
In some cases, COVID-19 can cause life-threatening lung complications such as pneumonia, acute respiratory distress syndrome, and sepsis.
Vaccine-Induced Immune Thrombotic Thrombocytopenia (VITT) and COVID-19
Vaccine-induced immune thrombotic thrombocytopenia (VITT) is an extremely rare side effect of the COVID-19 vaccine and has only been seen with the Johnson & Johnson and AstraZeneca vaccines.
How Do You Know If Your Child Has Whooping Cough?
Whooping cough is a common issue that affects many children. Learn the signs of whooping cough, what causes it, how doctors diagnose it, and what you can do to treat it.
Do All Patients With COVID-19 Get Pneumonia?
According to the CDC, about 3%-17% of patients with COVID-19 develop lung-related complications that require hospitalization, such as pneumonia.
How Does COVID-19 Mainly Spread?
COVID-19 mainly spreads via airborne particles and respiratory droplets formed when an infected person breathes, talks, coughs, or sneezes.
Can Babies Get COVID-19?
According to the CDC, it's not common for newborns to be diagnosed with COVID-19. But there have been a few cases of newborns testing positive for the virus.
Is Fever a Symptom of COVID-19?
Fever is a symptom of COVID-19, although not everyone presents with fever. Learn about other COVID-19 symptoms and what to do if you are infected.
How Do You Know if You Are Allergic to Pollen?
Pollen is a powdery yellow grain that fertilizes other plants of the same species. The only way to know for sure if a person has pollen allergy is to see a board-certified allergist for allergy testing.
What Are the Symptoms of Ragweed Allergy?
The common symptoms of ragweed allergy are sneezing, runny nose, itchy, watery red eyes, headache, nasal congestion, eye swelling, rashes and coughing.
What Can I Do for My Baby’s Cough?
Cough can cause significant discomfort to a baby. The baby may also have difficulty relaxing and sleeping. Numerous illnesses can cause cough as a primary symptom. Coughing is the result of the baby’s airway being affected or irritated.
How Do I Get Rid of My Toddler's Cough?
Cough is one of the common complaints in toddlers. Get rid of your toddler's cough by making sure your child rests, stays hydrated, takes over-the-counter pain medication, uses nasal spray and uses a humidifier or steam to provide relief.
What Kind of Headache Comes With COVID?
COVID-19 headache is described as a really tight, squeezing sensation that gets worse with coughing and physical activity.
Can COVID-19 Only Be Shortness of Breath?
Shortness of breath may be a symptom of COVID-19, but on its own it is unlikely to be a sign of infection. Learn about other causes of shortness of breath.
Are There Any FDA-Approved Drugs for COVID-19?
Recently, the FDA has authorized several other medications for emergency use for COVID-19 besides the drug Veklury (remdesivir).
When to See a Doctor When Your Baby Has a Cold
If your baby has a cold, signs that it may be time to see a doctor include poor feeding, dehydration, breathing difficulties, ear pain, and more.
Can Flying on an Airplane Increase My Risk of Getting COVID-19?
Yes, air travel can increase your risk of COVID-19 infection; however, reduce that risk by getting vaccinated, wearing a face mask, and maintaining social distancing when possible.
What Do You Give a Child With a Cold?
Unfortunately, there is no cure for the common cold. Antibiotics may be used to fight bacterial infections, but they have no effect on viruses.
What Are Typical Allergy Symptoms?
Allergy symptoms differ depending on the type of allergy and body part involved. For example, food allergies may cause different symptoms than nasal allergies or eye allergies. The severity of symptoms may also vary, ranging from mild irritation to a life-threatening reaction called anaphylaxis.
Is COVID-19 Life-Threatening?
Most people infected with COVID-19 experience mild to moderate respiratory symptoms and recover without special medical treatment. However, the virus is much more life-threatening to older people and those with underlying medical problems.
How Can I Help My Child With a Peanut Allergy?
Since there is no cure for peanut allergies, prevention and keeping an epinephrine injector (EpiPen) on hand is key to helping your child’s allergy.
Do Recovered COVID-19 Patients Have Antibodies?
While antibodies have been found in people who recover from COVID-19, it’s unclear how long the immune response lasts. It’s important to continue following public health guidelines to protect yourself from reinfection.
What Is the Most Effective Treatment for COVID-19?
Depending on a person’s symptoms, the most effective treatment for COVID-19 may range from rest and hydration to oxygen therapy and ventilation.
What Foods Cause Oral Allergy Syndrome?
Oral allergy syndrome, also called pollen food allergy syndrome or PFAS, is a type of food allergy caused by certain allergens found in both pollen and raw vegetables and fruits and some nuts. Foods that cause oral allergy syndrome include those in the birch, grass and ragweed families.
What Is the Delta Variant of COVID-19?
Here’s everything you need to know about the Delta variant, why it’s so contagious, and whether COVID-19 vaccines can protect against infection.
What Are Some of the Symptoms of COVID-19 in Children?
What should you do if your child gets sick during the pandemic? Understand the symptoms of COVID-19 in children and how to manage them.
Should I Exercise Outside if I Have Allergies?
An allergy is a condition in which the immune system overresponds to a foreign substance. With the right treatment and precautions, you can completely eliminate allergy flare-ups during your outdoor workout.
What Is Good for a Child's Cold?
The common cold is one of the main reasons for missing schools in children and missing work in adults. Children are affected more commonly with cold than adults, who may have an average of two to three colds each year.
Does COVID-19 Affect My Heart?
As per the American Heart Association, COVID-19 may have a long-term effect on the heart. Having a heart condition doesn't make a person more likely to catch COVID-19, but an individual with heart disease or a serious heart condition is more likely to become severely ill from COVID-19 and has a higher risk of death.
How Do You Tell If Your Child Has Allergies or a Cold?
Colds and allergies have different causes, but both involve the body's immune system. Since the symptoms of allergies and the symptoms of a cold overlap, it can be hard to tell which one your child has.
Why Are Allergies So Bad Right Now 2021?
Scientists believe that allergies are getting worse because of climate change.
Is Allergic Conjunctivitis the Same as Conjunctivitis?
Allergic conjunctivitis may occur along with sneezing, runny nose, or sinus headache. Many people also find that they are tired and feel agitated.
Are Pregnant Women at Higher Risk With COVID-19?
Your body undergoes significant physiological, mechanical, and immunologic changes during pregnancy. You're not more likely to get COVID-19 because you're pregnant.
Can COVID-19 Vaccine Affect Fertility?
The COVID-19 vaccine does not affect fertility.
Which Type of Diabetes Is Worse for COVID?
COVID-19, the disease caused by the SARS-CoV-2 virus, is a mild illness in most people. People with type 1 diabetes have 3.5 times the risk of dying compared to people without diabetes and people with type 2 diabetes have double the mortality risk with this viral infection.
How Do the COVID-19 Variants Differ?
The Delta variant is believed to be twice as contagious as previous COVID-19 variants and is associated with increased rates of hospitalization and serious illness.
How Do You Get Tested for Food Allergies?
If you develop symptoms of a food allergy, your doctor will have you undergo a skin test or blood test to determine which foods you are allergic to.
How Does COVID-19 Affect Children?
Most children and adolescents infected with COVID-19 experience less severe symptoms than adults.
Guide for COVID-19 Vaccine for Cancer Patients
The authorities have jointly agreed that patients on active cancer treatment are at a higher risk of COVID-19 infection and complications. Hence, there is a necessity to prioritize patients with cancer for the COVID-19 vaccine.
What Are Typical Seasonal Allergy Symptoms?
Typical seasonal allergy symptoms include a stuffy or runny nose, sneezing, coughing, watery eyes, congestion, and a sore throat.
Which Groups of People Are at Increased Risk of Severe Illness From COVID-19?
People at higher risk of severe illness due to COVID-19 include individuals who have underlying medical conditions and have not been vaccinated.
Is Food Intolerance the Same as Food Allergy?
Food intolerance is a condition in which an individual has difficulty in digesting certain foods. Consumption of these foods manifests as physical symptoms such as bloating, loose motion, gases, and bellyache. Food intolerance is quite common. Most people are aware of the foods that disagree with them.
Multisystem Inflammatory Syndrome in Children (MIS-C) and COVID-19
Multisystem inflammatory syndrome in children (MIS-C) has been found mostly in children infected with COVID-19 or who were in contact with other infected people. The condition causes widespread inflammation in various tissues and organ systems.
Should You Take the COVID-19 Vaccine if You Are Trying to Get Pregnant?
The COVID-19 vaccine is still being offered to women who are pregnant or are trying to get pregnant. Current information says that there is no reason not to get vaccinated if you are pregnant or are trying to get pregnant.
Is My Sore Throat Allergies or COVID-19?
Sore throat can be a symptom of allergies or COVID-19, and it can be difficult to tell which one you have. Understanding the difference between these two illnesses can help.
What Are Some of the Common Symptoms of COVID-19 and Flu?
Flu and COVID-19 share common symptoms because they are both respiratory tract infections. Learn the 12 common symptoms below.
How Do You Get a Cold Sore on Your Lip?
Cold sores, also called fever blisters or oral herpes, are a viral infection that leaves small blisters around your mouth. You get a cold sore on your lip due to viral infection from herpes simplex virus type 1 (HSV-1).
Should You Avoid Pain Relievers Before Getting the COVID-19 Vaccine?
Both the CDC and WHO do not recommend taking pain relievers before getting the COVID-19 vaccine, as it is still unknown whether they interfere with vaccine effectiveness.
How Should I Prepare My Kids That Are Going Back to School During COVID-19?
As you start preparing your kids for back to school during COVID-19, there are some ways like wearing a mask and handwashing that can help keep them safe and healthy.
What is Herd Immunity, and How Does It Help to Protect the Population from COVID-19?
Herd immunity means that the entire population is better protected against a particular disease. Herd immunity is possible with COVID-19, but the virus is likely to linger for several more years with breakthrough infections.
How Do mRNA COVID-19 Vaccines Work?
Vaccines train a person’s immune system to recognize and fight specific germs that can cause illness. COVID-19 vaccines work with the immune system to help develop defenses against the disease so that the body will be ready to fight coronavirus if exposed to it in the future. If a vaccinated person gets exposed to coronavirus in the future, the antibodies will fight the virus and work to prevent severe COVID-19 illness.
How to Identify Cold Symptoms in Children
When a child is sick, their way of showing it may not always be clear. Here’s what to look for to determine whether your child is sick with a cold.
Can Fall Allergies Cause Sinus Headaches?
Fall allergies can cause symptoms such as sneezing, congestion, and sinus headache. Learn more about causes, treatment, and prevention of fall allergies.
Is Psoriasis a COVID-19 Risk?
Psoriasis is a chronic, autoimmune, inflammatory condition that primarily affects the skin. There is no definitive link between psoriasis and an increased risk of COVID-19.
Are COVID-19 Vaccines Safe for Cardiac Patients?
Getting vaccinated for COVID-19 is both safe and recommended for cardiac patients, since they are more likely to develop complications from the infection.
Are Kawasaki and COVID-19 Related?
Children with COVID-19 infection have experienced symptoms similar to Kawasaki disease due to multisystem inflammatory syndrome in children (MIS-C).
How Long Should I Stay Home if I Have Been in Close Contact With Someone With COVID-19?
COVID-19 or coronavirus disease is an infectious disease caused by a newly discovered strain of coronavirus called SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2). This disease has resulted in a global pandemic. The cases were first discovered in the city of Wuhan in early December 2019, which then spread globally and emerged as the cause of acute respiratory disease due to its highly transmissible and pathogenic nature.
Does Vitamin D Protect Against COVID-19?
COVID-19 or coronavirus disease (COVID-19) is an infectious disease caused by a newly discovered coronavirus called severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). It manifests as mild to moderate respiratory illness in most people who may not require any special treatment. Certain high-risk groups, such as older people and people with underlying health conditions (chronic respiratory diseases, diabetes, cancer and cardiovascular diseases), are more likely to get seriously ill.
How Do You Treat a Cold Naturally?
Hundreds of viruses and bacteria can cause the common cold and flu. Most cases of cold and flu usually resolve in a week with simple home remedies and over the counter (OTC) medications. If there is no improvement in a few days, it is advised to consult a doctor.
What Is a Monoclonal Antibody for COVID-19?
Monoclonal antibodies for COVID-19 are lab-produced antibodies that can prevent the SARS-CoV-2 virus from attaching to cells.
Is It Possible to Develop Immunity to COVID-19 After Recovering?
People who recover from COVID-19 do develop an immune response to the disease after infection; however, these antibodies usually decline after 8 months.
Who Can Get the Booster Shot for COVID-19?
Learn who can get the booster shot for COVID-19, whether you can mix and match brands, and why COVID-19 booster shots are needed.
What Should a Pregnant Woman Do If She Has COVID-19?
COVID-19 is a disease caused by a coronavirus. If you are pregnant and you think you have COVID-19, get professional medical help as soon as possible to reduce the risk of medical complications.
COVID-19 Vaccine for 5 to 11 Years Olds
Children aged 5 to 11 years old can receive a distinct vaccination formulation of the Pfizer-BioNTech COVID-19 vaccine, which is one-third the amount provided to adolescents.
Can You Get the COVID-19 Vaccine If You’re Pregnant?
The answer is 'Yes, you can get the COVID-19 vaccine if you’re pregnant.' But you may want to talk to your doctor before you get the vaccine.
Do COVID-19 Vaccines Protect Against the Delta Strain?
Research suggests that a full course of COVID-19 vaccines could protect you from early mutants such as the Delta strain.
Can Immunocompromised People Get the COVID-19 Vaccine?
Immunocompromised people can and should get the COVID-19 vaccine, as they are extremely vulnerable to severe infection.
Is It Normal to Have Side Effects After the Second COVID-19 Vaccine?
As with any immunization, it is normal to have side effects after receiving your COVID-19 vaccine, irrespective of the dose.
How Is COVID-19 Different From Allergies?
COVID-19 symptoms are often similar to symptoms of seasonal allergies, so it is important to know how to tell the difference. Learn how to distinguish between the two.
Treatment & Diagnosis
- Skin Test for Allergy
- Using Superficial Heat and Cold Applications for Treatment
- What Is the COVID-19 Antigen Test?
- How Do the COVID-19 Coronavirus Tests Work?
- What Is the Difference Between a PCR Nasal Swab and a COVID-19 Antigen Test?
- Allergy Shots
- How Do You Get Tested for Allergies?
- How to Differentiate Between the Signs and Symptoms of COVID-19, Allergies, Cold, and Flu?
- What Is the COVID-19 Antibody Test For?
- Tests Available for COVID-19
- Chronic Cough
- COVID-19 (SARS-CoV-2 Coronavirus, 2019-nCoV)
- Oral Herpes (Cold Sores)
- Food Allergy
- Common Cold
- Latex Allergy
- Whooping Cough (Pertussis)
- Makeup Allergy
- Allergy Attacks? Fight Back
- Allergies- Easing Sneezing: House Cleaning Tips
- Eye Allergy
- Drug Allergy
- Peanut Allergy
- Insect Sting Allergy
- Allergy: Winning the War Against Allergies
- Killer Cold Virus Infection
- Allergy: Taking the Sting Out of Insect Allergies
- Peanut and Other Food Allergies -- Scott Sicherer, MD
- Asthma and Allergies and Your Child
- Allergies: Mold and More:Battling Indoor Allergens
- Whooping Cough: On the Rise
- Allergies, Control Your Spring
- Allergies FAQs
- Cold & Flu FAQs
- Common Cold FAQs
- Wuhan Coronavirus FAQs
- Coronavirus COVID-19 Prevention FAQs
- COVID-19 Vaccine Myths and Facts FAQs
- What if I get COVID-19 with Rheumatoid Arthritis?
- What Are Monoclonal Antibody Treatments for COVID-19 Coronavirus?
- Testing Is Key to COVID-19 Recovery for Patients and Economy
- Should I Go to the Dentist During the COVID-19 Pandemic?
- Is the Test for COVID-19 Coronavirus Reliable?
- How Long Can the COVID-19 Coronavirus Survive?
- What if I get COVID-19 with Diabetes?
- What if I Get COVID-19 with Asthma?
- Skin: Are Hypoallergenic Cosmetics Really Better?
- Are Hives Always Caused by an Allergy?
- Killer Cold Virus (Adenovirus Strains)
- Common Cold . . . Social Ties Decrease Risk
- Colds: Zinc For Colds...Jury Still Out!
- Air Pollution and Allergies: A Connection?
- Cough, Cold, Weight Loss Drug Dangerous - Warning
- Questions To Ask Your Doctor - Allergy
- Allergies: Don't Sneeze at Allergy Relief
- Food Allergies vs. Food Intolerance
- Sesame Seed Allergy: A Growing Problem?
- Colds: 10 Tips to Prevent The Common Cold
- What Does It Mean When Children Cough up Sulfur Granules?
- What Can You Give a Toddler for Severe Cough?
- Can You Be Allergic to Ceclor for Hepatitis B?
- How Long Does Bronchitis Cough Last?
- What Causes a Chronic Cough in Winter?
- How Long Does It Take Strep to Go Away?
- How Do You Treat Whooping Cough in Adults?
- What Are Strategies to Deal With Mite Allergies ?
- Do Anti-Mite Carpet Cleaners Help Mite Allergies?
- Can Milk Allergy Cause Rheumatoid Arthritis?
- Can Psoriasis Be Caused by Allergy?
- Can You Cough to Give Yourself CPR?
- Do Allergy Drugs Interact with Synthroid?
- What Kind of Cold Medicine Can Diabetics Take?
- Allergy to Stinging Insects Can Be Life Threatening
- 5 Food Allergy Myths
- Whooping Cough Symptoms
- Cold Sore Treatment
- OTC Cold and Cough Medications
- When to Call the Doctor for Fever, Nausea, Diarrhea, Colds, and Coughs
- Air Travel, Colds, and Sinus Infections
- Food Allergy: The Facts
Health Solutions From Our Sponsors
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.