Chagas disease is an infection caused by the T. cruzi parasite. Symptoms of Chagas disease include rash, swollen lymph nodes, fever, fatigue, nausea, vomiting, and the Romaña sign. An ELISA test is used to diagnose Chagas disease. Treatment depends upon the phase of the disease and the patient's age. Read more: Chagas Disease Article
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Bad Bugs: Identify Insects and Bug Bites
What do bed bug bites look like? How do you treat bug bites? Why do bug bites burn? See spider bite pictures and learn how to...
8 First Aid Kit Essentials for Scrapes, Cuts, Bug Bites, and More in Pictures
Are you always prepared for a first aid crisis? See which basic first aid items to pack to treat minor scrapes, cuts, and stings...
Bed Bug Bites: Fighting Back Against Bedbugs
What does a bedbug look like? Learn to ID bedbugs and bedbug bites. Get tips on how to prevent, treat, and get rid of bedbugs.
Parasites: See What's Eating Your Skin
WebMD gives you the facts about common parasites and their diseases. Learn about lice, bedbugs, hookworms, ringworms, scabies,...
Summer Skin Risks: Sunburn, Bug Bites & Poison Ivy
When it comes to summer, there plenty of hazards under the sun! Take the Summer Skin Hazards Quiz and clue in on the dangers to...
Zika Fever Quiz: Get Facts On Zika Infection
What do you need to know about Zika? Take this quiz to learn the causes, symptoms, treatments and prevention methods for this...
Bed Bugs Quiz: How to Get Rid of Bed Bugs
That unexplained itching could be caused by bedbugs. Take the Bedbugs Quiz to learn the causes and symptoms of a bedbug...
Poison Ivy, Oak and Sumac: Pictures of Rashes and Plants
You may know to look for poison ivy's three-leaf stem, but what else do you know about rash-causing plants? WebMD explores myths...
Picture of Bedbugs
Adult bed bugs are wingless insects about one-quarter of an inch long and oval in shape. See a picture of Bedbug and learn more...
Picture of Bedbug Bites
The first sign of bedbugs may be red, itchy bites on the skin, usually on the arms or shoulders. See a picture of Bedbug Bites...
Home Health: Meet the Bugs That Live In Your House
Get to know your bug bunkmates: WebMD introduces you to the critters that share your home with you. From ants, roaches, and...
Food and Nutrition: Bugs You Can Eat
If you can get past your initial reaction to them, insects aren’t only edible but also can be good for you.
Food Safety: Common Pantry Pests and How to Deal With Them
Are moths, weevils, mealworms, and other pantry pests spoiling your foods? Here's how to get rid of them and keep them away.
Related Disease Conditions
The word "rash" means an outbreak of red bumps on the body. The way people use this term, "a rash" can refer to many different skin conditions. The most common of these are scaly patches of skin and red, itchy bumps or patches all over the place.
Swollen Lymph Nodes (Glands)
Lymph nodes help the body's immune system fight infections. Causes of swollen lymph nodes (glands) may include infection (viral, bacterial, fungal, parasites). Symptoms of swollen lymph nodes vary greatly, but may include fever, night sweats, toothache, sore throat, or weight loss. Causes of swollen lymph nodes also vary, but may include cancer, the common cold, mono, chickenox, HIV, and herpes. The treatment of swollen lymph nodes depends upon the cause.
What Causes Abdominal Pain?
Abdominal pain can have many causes that range from mild to severe. Some of these causes include bloating, gas, colitis, endometriosis, food poisoning, GERD, IBS (irritable bowel syndrome), ovarian cysts, abdominal adhesions, diverticulitis, Crohn's disease, ulcerative colitis, gallbladder disease, liver disease, and cancers. Signs and symptoms of the more serious causes include dehydration, bloody or black tarry stools, severe abdominal pain, pain with no urination or painful urination. Treatment for abdominal pain depends upon the cause.
Dengue fever is contracted from the bite of a striped Aedes aegypti mosquito. Symptoms and signs of dengue include headache, fever, exhaustion, severe joint and muscle pain, rash, and swollen glands. Since dengue is caused by a virus, there is no specific medicine to treat it. Treatment instead focuses on relieving the symptoms.
Congestive Heart Failure (CHF)
Congestive heart failure (CHF) refers to a condition in which the heart loses the ability to function properly. Heart disease, high blood pressure, diabetes, myocarditis, and cardiomyopathies are just a few potential causes of congestive heart failure. Signs and symptoms of congestive heart failure may include fatigue, breathlessness, palpitations, angina, and edema. Physical examination, patient history, blood tests, and imaging tests are used to diagnose congestive heart failure. Treatment of heart failure consists of lifestyle modification and taking medications to decrease fluid in the body and ease the strain on the heart. The prognosis of a patient with congestive heart failure depends on the stage of the heart failure and the overall condition of the individual.
A stroke is an interruption of the blood supply to part of the brain caused by either a blood clot (ischemic) or bleeding (hemorrhagic). Symptoms of a stroke may include: weakness, numbness, double vision or vision loss, confusion, vertigo, difficulty speaking or understanding speech. A physical exam, imaging tests, neurological exam, and blood tests may be used to diagnose a stroke. Treatment may include administration of clot-busting drugs, supportive care, and in some instances, neurosurgery. The risk of stroke can be reduced by controlling high blood pressure, high cholesterol, diabetes, and stopping smoking.
Fever in Adults and Children
Although a fever technically is any body temperature above the normal of 98.6 F (37 C), in practice, a person is usually not considered to have a significant fever until the temperature is above 100.4 F (38 C). Fever is part of the body's own disease-fighting arsenal; rising body temperatures apparently are capable of killing off many disease-producing organisms.
Diarrhea is a change is the frequency and looseness of bowel movements. Symptoms associated with diarrhea are cramping, abdominal pain, and the sensation of rectal urgency. Causes of diarrhea include viral, bacterial, or parasite infection, gastroenteritis, food poisoning, and drugs. Absorbents and anti-motility medications are used to treat diarrhea.
Enlarged Spleen (Splenomegaly) Symptoms, Signs, Causes,Treatment
An enlarged spleen or splenomegaly, is generally caused by other diseases or conditions such as infections, cancers, blood disorders, or decreased blood flow. Symptoms of an enlarged spleen are often unnoticed. A feeling of fullness after eating a small amount of food and not being able to eat large meals may be a symptom of an enlarged spleen. Treatment for an enlarged spleen depends upon the cause.
Constipation is defined medically as fewer than three stools per week and severe constipation as less than one stool per week. Constipation usually is caused by the slow movement of stool through the colon. There are many causes of constipation including medications, poor bowel habits, low-fiber diets, laxative abuse, and hormonal disorders, and diseases primarily of other parts of the body that also affect the colon.
Fainting, also referred to as blacking out, syncope, or temporary loss of consciousness has many causes. Often a person will have signs or symptoms prior to the fainting episode. Diagnosis and treatment depends upon the cause of the fainting or syncope episode.
Nausea and Vomiting
Nausea is an uneasiness of the stomach that often precedes vomiting. Nausea and vomiting are not diseases, but they are symptoms of many conditions. There are numerous cases of nausea and vomiting. Some causes may not require medical treatment, for example, motion sickness, and other causes may require medical treatment by a doctor, for example, heart attack, lung infections, bronchitis, and pneumonia. Some causes of nausea and vomiting may be life-threatening, for example, heart attack, abdominal obstruction, and cancers. Treatment of nausea and vomiting depends upon the cause.
Bedbugs (from the insect family Cimicidae) are small, reddish-brown tick-like insects that feed by sucking the blood of mammals. They are often found in poorly sanitized areas or in crowded living quarters.
Fatigue can be described in various ways. Sometimes fatigue is described as feeling a lack of energy and motivation (both mental and physical). The causes of fatigue are generally related to a variety of conditions or diseases, for example, anemia, mono, medications, sleep problems, cancer, anxiety, heart disease, and drug abuse.Treatment of fatigue is generally directed toward the condition or disease that is causing the fatigue.
8 Skin Warning Signs to Worry About in a Rash
Most of the rashes are harmless and may not indicate anything serious. However, if there are these accompanying symptoms along with the skin rash, it may signify something serious.
How Can I Permanently Get Rid of Bed Bugs at Home?
What are bed bugs? Learn how to get rid of bed bugs with professional and at-home treatments.
Emphysema is a COPD (chronic obstructive pulmonary disease) that often occurs with other obstructive pulmonary problems and chronic bronchitis. Causes of emphysema include chronic cigarette smoking, exposure to secondhand smoke, air pollution, and in the underdeveloped parts of the world. Symptoms of emphysema include chronic cough, chest discomfort, breathlessness, and wheezing. Treatments include medication and lifestyle changes.
Is Vinegar a Good Bug Repellent?
Vinegar is one of the best ingredients to make a pest control spray. It is effective in repelling ants, mosquitoes, fruit flies, and many others. Creating a mix is quite simple and is considered safe for humans and pets.
Palpitations are uncomfortable sensations of the heart beating hard, rapidly, or irregularly. Some types of palpitations are benign, while others are more serious. Palpitations are diagnosed by taking the patient history and by performing an EKG or heart monitoring along with blood tests. An electrophysiology study may also be performed. Treatment of palpitations may include lifestyle changes, medication, ablation, or implantation of a pacemaker. The prognosis if palpitations depends on the underlying cause.
Bedbugs (Bed Bugs) vs. Lice
Bedbugs are small blood-sucking parasites that feed on mammals and birds. Some people do not have any symptoms of bedbug bites while others have them they include pain and reddish-colored skin lesions where the bite is. Bedbugs are found in temperate and tropical climates worldwide. Bedbugs usually feed every five to 10 days. Bedbug bites usually do not need treatment. Bedbug infestations are difficult to get rid of. Bedbugs are a problem worldwide, are resurging. There are three types of lice, head, body, and pubic. Head lice is a grey-white animal about the size of a sesame seed and can be mistaken for dandruff. Head lice are transmitted from the body to other household items. They produce between seven to 10 eggs (nits) annually. Head lice is transferred from head-to-head contact. Body lice are slightly bigger than head lice and look like head lice. Body lice is transferred from human to other household items. Pubic lice or "crabs" is distinctly different from the head and body louse. Pubic lice in adults is transferred by direct sexual contact. Children and others get pubic lice via nonsexual transmission from their parents, relatives, and friends who share clothing. Lice bites are bluish in color sore that develop on different areas of the body. Condoms do not prevent from getting pubic lice. The different types of lice have different treatment. Lice can be eradicated from your home.
Where Do Bed Bugs Hide on Your Body?
Bedbugs cannot live on your body. They may prefer to live near their host, not on them. Bed Bugs gravitate toward people who remain inactive (e.g. sleeping) long enough to provide a blood meal. As per research, they may stay or hide 5-20 feet away to feed blood. Once the blood-feeding is complete, bed bugs may usually retreat to their hiding spots to digest the blood.
Arrhythmias (Heart Rhythm Disorders)
Heart rhythm disorders vary from minor palpitations, premature atrial contractions (PACs), premature ventricular contractions (PVCs), sinus tachycardia, and sinus bradycardia, to abnormal heart rhythms such as tachycardia, ventricular fibrillation, ventricular flutter, atrial fibrillation, atrial flutter, paroxysmal supraventricular tachycardia (PSVT), Wolf-Parkinson-White syndrome, brachycardia, or heart blocks. Treatment is dependent upon the type of heart rhythm disorder.
Typhoid fever is an illness caused by the Salmonella typhi bacteria. The illness is contracted by ingesting the bacteria in contaminated water or food. Symptoms include headaches, fever, diarrhea, lethargy, aches and pains, and poor appetite. Treatment focuses on killing the Salmonella bacteria with antibiotics.
Are Skin Rashes Contagious?
Direct and indirect contact can spread some types of rashes from person to person. Rash treatment depends upon a rash's underlying cause. A rash that sheds large amounts of skin warrants urgent medical attention. Rashes can be either contagious or noncontagious. Noncontagious rashes include seborrheic dermatitis, atopic dermatitis, contact dermatitis, stasis dermatitis, psoriasis, nummular eczema, drug eruptions, hives, heat rash (miliaria), and diaper rash. Rashes usually considered contagious include molluscum contagiosum (viral), impetigo (bacterial), herpes (herpes simplex, types 1 and 2 viruses), rash caused by Neisseria meningitides (N. meningitides) (bacterial), rash and blisters that accompany shingles (herpes zoster virus), ringworm (fungal) infections (tinea), scabies (itch mite), chickenpox (viral), measles and rubella (viral), erythema infectiosum (viral), pityriasis rosea (viral), cellulitis and erysipelas (bacterial), lymphangitis (bacterial, and folliculitis (bacterial).
Swallowing Problems (Dysphagia)
Dysphagia or difficulty in swallowing, swallowing problems. Dysphagia is due to problems in nerve or muscle control. It is common, for example, after a stroke. Dysphagia compromises nutrition and hydration and may lead to aspiration pneumonia and dehydration.
Are Bedbugs Contagious?
Bedbugs are brown wingless insects that feed on human blood. The are typically found around a person's sleeping area. Bedbugs feed a nighttime. A series of bedbug bites may appear like a rash. Eradicating a bedbug infestation will usually require the services of an exterminator.
How Do You Know if It's a Bed Bug Bite or a Flea Bite?
Learn the difference between flea bites and bed bug bites.
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, and Lyme disease. Though most reactions to insect bites and stings are mild, some reactions may be life-threatening. Preventing bug bites and stings with insect repellant, wearing the proper protective attire, and not wearing heavily scented perfumes when in grassy, wooded, and brushy areas is key.
How Can You Tell if a Rash Is Serious?
A rash can become serious if immediate medical assistance is not provided when a patient has the below symptoms include rash covers most of the body, continuous itching, fever, and difficulty breathing
How Do You Know if Bites Are From Bed Bugs?
How can you tell if you have bed bug bites? Learn what makes bed bug bites unique and how to treat them.
What Causes Bed Bugs?
Bed bugs are blood-sucking insects. They usually survive on the blood of other creatures. Bed bugs live usually in the cracks and crevices of beds. When they sense that a person is asleep, they move towards them and feed on their blood. Bed bugs can also be found in sofas, mattresses, chairs, sheets, blankets, suitcases, cardboard boxes, cluttered areas, and other similar furniture items.
Zika Virus (Zika Fever)
The Zika virus is transmitted by the bite of an infected Aedes mosquito. Symptoms and signs of a Zika virus infection include conjunctivitis, headache, joint pain, fever, rash, and muscle aches. Treatment for Zika virus infections aims to alleviate symptoms.
Ticks vs. Bedbugs
Bedbugs are parasites. Ticks are arthropods. Tick and bedbug bites are typically painless. Calamine lotion can be helpful with both bedbug and tick bites. Bedbugs typically do not spread disease, while tick bites may often transmit disease.
What Are the Main Causes of Skin Rashes in Kids?
Why does my child have a skin rash? Find out what to do if your child has a skin rash and why it might occur.
Flea Bites vs Bedbug Bites: What Are the Differences?
You may be bitten by an insect and get a small, painful, itchy, red bump on the skin. Some insect bites may be serious and you can see the marks at the site of bite. Flea bites look like red spots over the legs and ankles. They may appear in a cluster of two or three. Bedbugs are small red-brown insects that often live on furniture or a bed. If they bite you, you may see red spots on your skin.
Skin Rashes You Need to Know: 23 Skin Disorders
Any abnormal change in the skin color or texture is called a rash. Rashes are generally areas of irritated or swollen skin. Many rashes are red, itchy, and painful. Some people get rashes due to allergy, some due to infection, whereas some get due to their specific genetic makeup.
What Causes Typhoid Fever?
Typhoid fever is a serious bacterial infection. Learn more about typhoid fever, its symptoms, your treatment options, and possible complications.
What Should I Know About Dengue Fever?
Dengue fever, also called breakbone fever, is an illness caused by the dengue virus. It is caused when a female Aedes mosquito carrying the virus bites a healthy person. This disease is mainly found in the tropical and subtropical regions of the world.
How Do You Make Natural Bug Repellent?
Who has not experienced picnics or outings spoiled by the irritating bugs buzzing in your ears! These tiny living beings can make walking and sitting in peace difficult with their annoying bites. Bugs can also act as vectors or carriers of various diseases such as malaria, typhus, yellow fever, dengue, and sleeping sickness.
Treatment & Diagnosis
- Abdominal Pain
- Shortness of Breath (Dyspnea)
- Swollen Eyes
- Fatigue, Tiredness, and Lethargy
- Swollen Lymph Nodes (Lymphadenopathy)
- Dengue Fever
- Fainting (Syncope)
- Bug Bites and Stings
- Doctor: Checklist to Take To Your Doctor's Appointment
- How to Choose a Doctor
- Doctor: Getting the Most from Your Doctor's Appointment
- Bedbug Bites
- Chagas Disease
- Bed Bugs FAQs
- Summer Skin Hazards Pictures FAQs
- Zika Fever FAQs
- Can You Die of Typhoid Fever?
- What Are the Signs of Dengue Fever?
- What Are the Warning Signs of Dengue Fever?
- Can Dengue Fever Be Cured?
- Can Dengue Fever Kill You?
- Can Typhoid Fever Be Cured?
- How Is Dengue Fever Diagnosed?
- Does the U.S. Have Dengue Fever?
- What Parasites Can Live on Sushi?
- What Does a Fever in Children Mean With No Other Symptoms?
- What Does a 102 Fever Mean in a 2-Year-Old?
- Chagas Disease in Dogs
- Bug Bite Treatment
- Cyclospora Outbreak - Berry, Berry, Quite Contrary
Medications & Supplements
Prevention & Wellness
- AHA News: Should You Be Worried About Blood-Hungry 'Kissing Bugs'?
- First Confirmed ID of 'Kissing Bug' in Delaware
- Tropical Disease Linked to Heart Trouble Turning Up in Border Security Dogs
- Illness From 'Kissing Bug' Now Widespread in U.S.
- Chagas Disease Parasite Prevalent in Texas 'Kissing Bugs'
- Chagas Vaccine Shows Promise in Mice
- Bedbugs Could Be Potential New Source of Tropical Disease in U.S.
- 'Kissing Bug' Now Spreading Tropical Disease in U.S.
- CDC Targets 5 Parasitic Infections
- 300,000 People in U.S. Living With Chagas Disease: Report
- Chagas Disease FAQ
- Insects Behind Chagas Disease Are Feeding on Humans in the U.S.
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