Related Diseases - Allergy (Allergies) Symptoms, Causes and Signs on MedicineNet.com

MedicineNet

Allergy Related Diseases & Conditions

Medical conditions are often related to other diseases and conditions. Our doctors have compiled a list of ailments related to the topic of Allergy. These conditions may be a cause or symptom of Allergy or be a condition for which you may be at increased risk.

  • Eczema Eczema, also known as dermatitis, is a general term for many types of skin inflammation. The most common form of eczema is atopic...learn more »
    In This Article
    Eczema Article
    • What is eczema?
    • What are the causes of eczema?
    • What are eczema symptoms and signs in babies, children, and adults?
    • What are the different types of eczema?
    • How is eczema diagnosed?
    • What is the treatment for eczema?
    • Can eczema be prevented?
    • Eczema At A Glance
  • Hives Hives, also called urticaria, is a raised, itchy area of skin that is usually a sign of an allergic reaction. The allergy may be...learn more »
    In This Article
    Hives Article
    • Hives facts
    • What are hives (urticaria) and angioedema?
    • What causes hives and angioedema?
    • What are the different kinds of hives?
    • What are the symptoms and signs of ordinary urticaria (ordinary hives)?
    • What are the causes of ordinary hives?
    • What are the causes of chronic hives?
    • Are there other conditions that mimic hives?
    • What is the treatment for hives?
    • Conclusion
  • Sinus Infection Sinus infection (sinusitis) signs and symptoms include headache, fever, and facial tenderness, pressure, or pain. Treatments of...learn more »
    In This Article
    Sinus Infection Article
    • Sinus infection facts
    • What is a sinus?
    • What is a sinus infection?
    • What causes sinus infections?
    • What are the types of sinusitis?
    • What are the signs and symptoms of sinus infection?
    • How is sinus infection diagnosed?
    • How is sinus infection treated?
    • Are there home remedies for a sinus infection?
    • What are complications of sinus infection?
    • Can sinus infection be prevented?
    • Related sinus infection article:
      Sinus infection - on eMedicineHealth
  • Pink Eye Pink eye, also called conjunctivitis, is redness or irritation of the conjunctivae, the membranes on the inner part of the...learn more »
    In This Article
    Pink Eye Article
    • What is "pink eye"?
    • What infections cause pink eye, what are infectious pink eye symptoms, and how are they treated?
    • What noninfectious conditions cause pink eye, what are noninfectious pink eye symptoms, and how are they treated?
    • What are home treatments and care for pink eye?
    • How can I prevent the spread of pink eye?
    • Pink Eye At A Glance
  • Chronic Rhinitis and Post-Nasal Drip Allergic rhinitis symptoms include an itchy, runny nose, sneezing, itchy ears, eyes, and throat. Seasonal allergic rhinitis (also...learn more »
    In This Article
    Chronic Rhinitis and Post-Nasal Drip Article
    • What is the purpose of the nose?
    • What are rhinitis and post-nasal drip?
    • What causes rhinitis?
    • Is rhinitis always related to allergies?
    • What conditions cause an abnormal production of nasal secretions?
    • What conditions cause an impaired clearance of nasal secretions?
    • How can chronic rhinitis and post-nasal drip be treated?
    • What medications can be used to treat rhinitis and post-nasal drip?
    • What can be used to treat non-allergic rhinitis?
    • Does salt water have any role in the treatment of rhinitis and post-nasal drip?
    • What are other options for the treatment of rhinitis and post-nasal drip?
    • Terminology
    • Chronic Rhinitis & Post-Nasal Drip At A Glance
  • Poison Ivy Poison ivy, oak, and sumac are plants that cause an itchy skin rash and skin inflamation when contacted directly. This poison can...learn more »
    In This Article
    Poison Ivy Article
    • Poison ivy, oak, and sumac facts
    • What causes the rash? How do I identify poison ivy, oak, and sumac?
    • What are the signs and symptoms of the poison ivy rash?
    • How is the dermatitis of poison ivy, oak, and sumac diagnosed?
    • What is the treatment for poison ivy, oak, and sumac dermatitis?
    • How can contact with poison ivy, oak, and sumac be prevented?
  • Itching Itching can be a common problem. Itches can be localized or generalized. There are many causes of itching to include: infection...learn more »
    In This Article
    Itching Article
    • Itching (itch) facts
    • What is an itch?
    • What causes itching?
    • Should I scratch the itch?
    • What are topical (external) itch treatments?
    • What are oral itch treatments?
    • When should the doctor be consulted for itching?
  • Atopic Dermatitis Eczema is a general term for many types dermatitis (skin inflammation). Atopic dermatitis is the most common of the many types of...learn more »
    In This Article
    Atopic Dermatitis Article
    • What is atopic dermatitis?
    • What is the difference between atopic dermatitis and eczema?
    • How common is atopic dermatitis?
    • What causes atopic dermatitis?
    • Is atopic dermatitis contagious?
    • What are the symptoms of atopic dermatitis?
    • Can atopic dermatitis affect the face?
    • Is the sufferer's skin type important?
    • What are the stages of atopic dermatitis?
    • How is atopic dermatitis diagnosed?
    • What factors can aggravate atopic dermatitis?
    • What are skin irritants in patients with atopic dermatitis?
    • What are allergens?
    • What are aeroallergens?
    • What other factors may play a role in atopic dermatitis?
    • How is atopic dermatitis treated?
    • What is the hope for long-term management of atopic dermatitis?
    • Atopic Dermatitis At A Glance
  • Food Allergy The most common food allergies are to eggs, nuts, milk, peanuts, fish, shellfish, strawberries and tomatoes. Symptoms and signs...learn more »
    In This Article
    Food Allergy Article
    • Food allergy facts
    • Introduction to food allergies
    • How do allergic reactions to food occur?
    • What are the symptoms and signs of food allergy?
    • Do infants and children have problems with food allergy?
    • What are the most common food allergies?
    • What is cross-reactivity?
    • What is oral allergy syndrome?
    • What is exercise-induced food allergy?
    • What conditions have mistakenly been attributed to food allergy?
    • What conditions mimic food allergy?
    • How is food allergy diagnosed?
    • What is the treatment for a food allergy?
    • Are allergy shots effective for food allergy?
  • Colic in Babies Colic is crying or fussing that begins suddenly, lasting for a total of three hours a day and happening more than three days a...learn more »
    In This Article
    Colic in Babies Article
    • What is colic? What are colic symptoms and signs in babies?
    • What can be done to help with colic in babies?
    • What can the doctor do to help a colicky baby? What is the treatment for colic in an infant?
    • Colic At A Glance
  • Asthma Asthma is a common disorder in which chronic inflammation of the bronchial tubes (bronchi) makes them swell, narrowing the...learn more »
    In This Article
    Asthma Article
    • Myths, facts, and statistics about asthma
    • What is asthma?
    • From the past to the present
    • The scope of the problem
    • Normal bronchial tubes
    • How does asthma affect breathing?
    • The importance of inflammation
    • Which triggers cause an asthma attack?
    • Allergens
    • Irritants
    • The many faces of asthma
    • Types: allergic (extrinsic) and nonallergic (intrinsic) asthma
    • Typical asthma symptoms and signs
    • Acute asthma attack
    • What medications are used in the treatment of asthma?
    • Asthma At A Glance
  • Eye Allergy Eye allergy (or allergic eye disease) are typically associated with hay fever and atopic dermatitis. Medications and cosmetics...learn more »
    In This Article
    Eye Allergy Article
    • Eye allergy facts
    • Eye allergy introduction
    • What causes eye allergies?
    • What is the basic anatomy of the outer eye?
    • Why are the eyes an easy target for allergies?
    • What are symptoms and signs of eye allergies?
    • What are allergic eye conditions?
    • What are eyelid allergies (also called contact eye allergies)?
    • What conditions can be confused with eye allergies?
    • What is the treatment for eye allergies?
    • What is the prognosis of eye allergies?
    • Can eye allergies be prevented?
  • Mold Mold exposure may cause symptoms in people who are sensitive to molds. Symptoms of mold allergy include sneezing, runny nose,...learn more »
    In This Article
    Mold Article
    • What is mold?
    • Where can mold be found in homes?
    • What kinds of health problems may be linked to mold? What are symptoms of mold allergy?
    • How can mold in the household be prevented?
    • Is it necessary to test for mold?
    • How should mold be cleaned up and eliminated?
    • Mold At A Glance
  • Sinus Headache Sinus headache is caused by a sinus infection or inflammation of the sinus cavities. The primary symptom of a sinus infection is...learn more »
    In This Article
    Sinus Headache Article
    • What are the sinuses?
    • What is a sinus headache?
    • What causes a sinus headache?
    • What are the symptoms of a sinus headache?
    • When should I seek medical care for a sinus headache?
    • How is a sinus headache diagnosed?
    • What is the treatment for a sinus headache?
    • What are the complications of a sinus headache?
    • Can a sinus headache be prevented?
    • What is the outlook (prognosis) for a sinus headache?
    • Sinus Headache At A Glance
    • Related sinus headache article:
      Sinus Infection - on eMedicineHealth
  • Anaphylaxis Anaphylaxis is a serious allergic reaction that affects a number of different areas of the body at one time, and can be fatal....learn more »
    In This Article
    Anaphylaxis Article
    • Anaphylaxis facts
    • Introduction to anaphylaxis
    • What is the history of anaphylaxis?
    • How common is anaphylaxis?
    • What are common causes of anaphylaxis?
    • What are the signs and symptoms of anaphylaxis?
    • What happens after the symptoms begin?
    • Are there any disorders that appear similar to anaphylaxis?
    • How is anaphylaxis diagnosed?
    • How do we manage anaphylaxis?
    • What are emergency measures used in the treatment of anaphylaxis?
    • Can anaphylaxis be prevented?
  • Bee and Wasp Sting Bees, wasps, and fire ants are related insects that belong to the Hymenoptera order. There are thousands of species of wasps...learn more »
    In This Article
    Bee and Wasp Sting Article
    • Insect stings overview
    • What are the types of wasps?
    • What are the types of bees?
    • What are causes of bee and wasp stings?
    • What are the symptoms of a bee or wasp sting?
    • When should I call a doctor about a bee or wasp sting?
    • How is a bee or wasp sting diagnosed?
    • What is the treatment for a bee or wasp sting?
    • What are the complications of a bee or wasp sting?
    • How can I prevent a bee or wasp sting?
    • Bee and Wasp Sting At A Glance
  • Hoarseness Hoarseness (abnormal deep, harsh, raspy voice) is caused by a variety of conditions in which the larynx (voice box and vocal...learn more »
    In This Article
    Hoarseness Article
    • What is hoarseness?
    • What causes hoarseness?
    • What are the signs and symptoms of hoarseness?
    • How are the causes of hoarseness diagnosed?
    • What is the treatment for hoarseness?
    • How is hoarseness prevented?
    • Hoarseness At A Glance
  • Hay Fever Hay fever (allergic rhinitis) is an irritation of the nose caused by pollen and is associated with the following allergic...learn more »
    In This Article
    Hay Fever Article
    • What is hay fever? What are the symptoms and signs?
    • Why does an allergic reaction occur?
    • What causes allergic rhinitis?
    • When and where does allergic rhinitis occur?
    • How is allergic rhinitis diagnosed, and how are allergies identified?
    • How are allergies treated?
    • Hay Fever At A Glance
  • Blepharitis Blepharitis is inflammation of the eyelids. Acne rosacea, Staphylococcal bacteria, allergies, sensitivities to makeup or contact...learn more »
    In This Article
    Blepharitis Article
    • What is blepharitis?
    • What causes blepharitis?
    • What are the symptoms and signs of blepharitis?
    • How is blepharitis diagnosed?
    • What are complications of blepharitis?
    • What is the treatment for blepharitis?
    • What is the prognosis for blepharitis?
    • Blepharitis At A Glance
  • Asthma in Children Asthma, the main cause of chronic illness in children, has signs and symptoms in children that include frequent coughing spells,...learn more »
    In This Article
    Asthma in Children Article
    • What makes a child more likely to develop asthma?
    • Why are more children getting asthma?
    • How can I tell if my child has asthma?
    • How is asthma diagnosed in children?
    • What is the treatment for asthma in kids?
    • What asthma drugs can children take?
    • How do I give my child asthma medication?
    • How do I know when my child's asthma is well controlled?
    • Will my child outgrow asthma?
    • What do I do when my child has an asthma attack?
  • 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...learn more »
    In This Article
    Cold, Flu, Allergy Treatments Article
    • Facts about cold, flu, and allergy treatments
    • Introduction to cold, flu, and allergy treatments
    • Headaches, body aches, fever, and flu-like symptoms
    • Nasal congestion, sneezing, and runny nose
    • Cough
    • Sore throat and other symptoms
  • Breastfeeding and Formula Feeding It's important to know whether you will breastfeed or bottle-feed your baby prior to delivery, as the breasts' ability to produce...learn more »
    In This Article
    Breastfeeding and Formula Feeding Article
    • When should we decide about breastfeeding?
    • Why is the choice so important?
    • What are the advantages and disadvantages of breastfeeding?
    • What are the advantages and disadvantages of formula feeding?
    • Can we use both forms of feedings for our baby?
    • Is there any special preparation required for breastfeeding?
    • When can breastfeeding begin?
    • What is the proper technique for breastfeeding?
    • When should breast pumps be used?
    • Should certain foods be avoided while breastfeeding?
    • How can one manage minor discomforts related to breastfeeding?
    • Clogged milk ducts
    • Sore nipples
    • When should one seek medical care for problems with breastfeeding?
    • Can supplements or medications increase a low milk supply?
    • Is it possible to breastfeed while pregnant?
    • Is smoking harmful when breastfeeding?
    • Do breast implants, surgeries, or reductions affect breastfeeding?
    • How should one wean a baby from breastfeeding?
    • Breastfeeding and Formula Feeding At A Glance
  • Nasal Allergy Medications Nasal allergy medications are used to relieve itching, sneezing, and nasal swelling associated with allergies. Antihistamines,...learn more »
    In This Article
    Nasal Allergy Medications Article
    • Introduction
    • What's the difference between a controller and a reliever?
    • What are antihistamines?
    • How do antihistamines work?
    • What are first generation antihistamines (OTCs)?
    • What are second generation antihistamines (prescription)?
    • What are common side effects of antihistamines?
    • What are decongestants?
    • How do decongestants work?
    • When should I use topical decongestants?
    • What are side effects of decongestants?
    • What about combination antihistamine/decongestant preparations?
    • Nasal Steroid Sprays
    • Other nasal sprays that might help
    • Tips for proper use of nasal sprays
    • Nasal Allergy Medications At A Glance
  • Bug Bites and Stings Bug bites and stings have been known to transmit insect-borne illnesses such as West Nile virus, Rocky Mountain spotted fever,...learn more »
    In This Article
    Bug Bites and Stings Article
    • What can I do to keep insects away?
    • What's the proper way to use insect repellent?
    • What's the best way to remove a bee stinger?
    • What should I do if I find a tick on me or my child?
    • What can be done for itching and pain from bites and stings?
    • When is medical attention needed?
    • Where can I find more information on bug bites and stings?
  • Insect Sting Allergies The majority of stinging insects in the United States are from Bees, Yellow Jackets, Hornets, Wasps and Fire Ants. Severity of...learn more »
    In This Article
    Insect Sting Allergies Article
    • What are stinging insects?
    • Who is at risk for insect sting allergies?
    • What types of insect sting reactions occur?
    • How is a severe allergic reaction immediately treated?
    • How can I avoid insect stings?
    • What can I do about becoming immune to insect allergy?
    • Stinging Insect Allergies At A Glance
  • Allergy Treatment Begins At Home Avoiding allergy triggers at home is one of the best ways to prevent allergy symptoms. Controlling temperature, humidity, and...learn more »
    In This Article
    Allergy Treatment Begins At Home Article
    • Introduction
    • Cleaning and more cleaning: what really helps?
    • What are great techniques for mold patrol?
    • How can people with allergies ideally control the air quality and climate in their homes?
    • How can dust covers help?
    • What are carpet powders? Can they help?
    • What to do with the pets?
    • What do I do with those ghastly cockroaches?
    • Allergy Treatment At A Glance
  • Bad Breath Bad breath can result from poor oral hygien habits and may be a sign of other health problems. Bad breath, also called halitosis,...learn more »
    In This Article
    Bad Breath Article
    • Bad Breath Introduction
    • What Causes Bad Breath?
    • How Can I Tell if I Have Bad Breath?
    • How Do I Control My Bad Breath?
    • Where Does My Dentist Fit in?
  • Latex Allergy Latex allergy is a condition where the body reacts to latex, a natural product derived from the rubber tree. The reaction can...learn more »
    In This Article
    Latex Allergy Article
    • Why latex?
    • What is latex and where is it found?
    • Who is at risk?
    • How is latex allergy detected?
    • How is latex allergy treated?
    • Latex-Containing Products
    • Latex Allergy At A Glance
  • Adult-Onset Asthma Adult-onset asthma is asthma that is diagnosed in people over 20 years of age. Symptoms include wheezing, coughing, shortness of...learn more »
    In This Article
    Adult-Onset Asthma Article
    • What is asthma?
    • What is adult-onset asthma?
    • What is the difference between childhood asthma and adult-onset asthma?
    • How is adult-onset asthma diagnosed?
    • Who gets asthma?
    • How is asthma classified?
    • How is asthma treated?
    • Monitoring symptoms
    • Asthma action plan
  • Indoor Allergens Indoor allergens are substances that can cause an allergic reaction in some people. Common sources of indoor allergens include...learn more »
    In This Article
    Indoor Allergens Article
    • Indoor allergens facts
    • What are allergens?
    • What actually is house dust?
    • What are dust mites?
    • What conditions are most favorable to dust mites?
    • How do dust mites cause allergic symptoms?
    • Can cockroaches cause allergic symptoms?
    • What about allergies to molds?
    • What about allergies to pets?
    • What about allergies to indoor pollens and houseplants?
  • Drug Allergies Drug allergies are cause when the immune system mistakenly creates an immune response to a medication. Symptoms of a drug...learn more »
    In This Article
    Drug Allergies Article
    • Why do some medications cause allergic reactions?
    • What are the symptoms of drug allergy?
    • Which drug allergies are most common?
    • How are drug allergies diagnosed?
    • How are drug allergies treated?
    • How can I be prepared if I have a drug allergy?
  • Allergic Cascade The allergic cascade refers to allergic reactions that happen in the body in response to allergens. A variety of immune cells and...learn more »
    In This Article
    Allergic Cascade Article
    • Who are the "players" in the allergic cascade?
    • What about a more detailed look at the "players?"
    • What are cytokines?
    • What is the "early phase" of an allergic reaction?
    • What is the "late phase" of an allergic reaction?
    • What are the consequences of the allergic cascade?
    • How does understanding the allergic cascade help?
    • Allergic Cascade At A Glance