Hives and Angioedema: Hives are itchy wheals caused by an allergic skin reaction. Angioedema refers to welts that form in a deeper skin layer. Learn about the causes, symptoms, and treatment of hives and angioedema.
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Allergic Reaction
Allergic reactions can cause swelling, hives, rashes, and anaphylaxis in severe cases. Learn about allergy testing, symptoms, causes, treatment, and prevention. -
Are Hives Urticaria Contagious
Hives (urticaria) are a symptom, and in themselves are not contagious. Hives are typically due to an allergic reaction or other non-contagious trigger. Occasionally, an infection can trigger hives, but this is not common. -
Eczema
Eczema is a term frequently used to describe any sort of dermatitis. Causes include genetic inheritance. Common triggers of atopic dermatitis include soaps, detergents, solvents, lotions, sweating, staph bacteria, use of plastic or rubber gloves, or rough wool clothing. Treatment for eczema can be avoidance of irritants, OTC anti-inflammatory creams, prescription steroid and anti-inflammatory creams, and in some cases, antibiotics. -
HIV Transmission and the History of HIV AIDS
In the late '70s, the syndrome caused by the HIV virus was seen in the U.S. We now know that HIV evolved from simian immunodeficiency virus in West Africa. HIV can be transmitted via contact with an infected person's blood or other bodily fluids. -
Rash
A rash is a visible skin outbreak. Examples of noninfectious rashes include eczema, psoriasis, contact dermatitis, seborrheic dermatitis, rosacea, hives, and allergic dermatitis. Types of infectious rashes include ringworm, impetigo, scabies, herpes, chickenpox, and shingles. Rashes may be caused by fungi, viruses, bacteria, and parasites. Treatment depends upon the type of rash. -
What Causes Angioedema
Angioedema is the swelling of tissue under the skin. Allergies are a common cause of angioedema. Common allergens include foods, insect bites, plants, exercise, and medications. -
What Causes Hives on Skin
Hives (urticaria) are slightly raised, smooth, red bumps that are sometimes itchy. The main causes of hives on the skin include allergies (food, drug, physical contact, insect bites/stings, hypersensitivity), medical causes (infectious disease, hormonal changes, lymphoma, thyroid issues, lupus), and physical causes (heat, sunlight, scratching, pressure, exercise). -
What Is Causing My Hives
Hives (urticaria) are red, itchy welts that can appear on any part of the skin and are usually caused by an allergic reaction. Hives can vary in size and may connect to form larger welts.
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Hives and Angioedema Topic Guide - Visuals
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Hives and Angioedema Topic Guide - Medications and Vitamins
Medications:
DesloratadineDesloratadine is an antihistamine that is used to treat the symptoms of allergies, such as sneezing, watery eyes, itching, and runny nose.
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Cetirizine And PseudoephedrineCetirizine is an antihistamine that reduces the natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, watery eyes, an...learn more »
FexofenadineFexofenadine is an antihistamine that is used to treat the symptoms of seasonal allergies (hay fever) in adults and children...learn more »
CetirizineCetirizine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, wate...learn more »
LoratadineLoratadine is an antihistamine that is used to treat symptoms of hay fever or other allergies, such as sneezing, runny nose, itchy or watery eyes, and itchin...learn more »
HydroxyzineHydroxyzine reduces activity in the central nervous system. It also acts as an antihistamine that reduces the effects of natural chemical histamine in the b...learn more »
CyproheptadineCyproheptadine is an antihistamine that reduces the effects of natural chemical histamine in the body. Histamine can produce symptoms of sneezing, itching, ...learn more »
Epinephrine InjectionEpinephrine injection is used to treat severe allergic reactions (anaphylaxis) to insect stings or bites, foods, drugs, and other allergens...learn more »
PrednisonePrednisone is a steroid that reduces inflammation in the body, and also suppresses your immune system...learn more »
DiphenhydramineDiphenhydramine is an antihistamine that is used to treat sneezing, runny nose, watery eyes, hives, skin rash, itching, and other cold or allergy symptoms./...learn more »
CimetidineCimetidine is a stomach acid reducer that is used to treat and prevent certain types of stomach ulcer. Cimetidine is also used to treat gastroesophageal ref...learn more »
PrednisolonePrednisolone is a steroid that prevents the release of substances in the body that cause inflammation...learn more »
