Hives Articles, Information & Research

Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine. Causes Return to top When you have an allergic reaction to a substance, histamine and other chemicals...

http://www.nlm.nih.gov/medlineplus/ency/article/000845.htm

Urticaria From Wikipedia, the free encyclopedia Jump to: navigation, search "Hives" redirects here. For other uses, see Hive. Urticaria Classification and external resources Urticaria on foot, with visible wheals ICD-10 L50. ... Hives are frequently caused by allergic reactions, however there...

http://en.wikipedia.org/wiki/Urticaria

An episode of hives can start as itching, followed by swollen, red welts. The itching may be mild or severe. Scratching, alcohol beverages, exercise, and emotional stress may worsen the itching. An episode of hives may last from a few...

http://www.acaai.org/public/advice/urtic.htm

urticaria presents with spontaneous weals anywhere on the body. ... The weals can be a few millimetres. The release of chemicals such as histamine from mast cells in the skin causes small blood vessels to leak and results in tissue swelling...

http://dermnetnz.org/reactions/urticaria.html

Hives are a sign that the whole body is experiencing a hypersensitivity reaction. Hives occur when the body's capillaries and tiny veins get leaky. Fluid escaping from some of these blood vessels becomes trapped in parts of the skin and...

http://www.drgreene.com/21_1117.html

The skin condition we call hives is referred to in medical terms as urticaria. A hive, or wheal, is a symptom of urticaria...people do not develop one hive when they have urticaria, hence the name hives...

http://dermatology.about.com/cs/hives/a/hives.htm

Shiel Jr., MD, FACP, FACR Hives are swollen, red or pink bumps, patches, or welts on the skin that usually appear suddenly. Itching is the most common symptom associated with hives, although some people report that hives cause a stinging...

http://www.medicinenet.com/hives/article.htm

In most cases, hives and angioedema are harmless and don't leave any lasting marks, even without treatment. The most common treatment for hives and angioedema is antihistamine medications. Serious angioedema can be life-threatening if swelling causes your throat or tongue...

http://www.mayoclinic.com/health/hives-and-angioedema/DS0...

Hives, also known as urticaria, are an outbreak of swollen, pale red bumps, patches, or welts on the skin that appear suddenly -- either as a result of the body's adverse reaction to certain allergens, or for other reasons...

http://www.webmd.com/allergies/guide/hives-urticaria-angi...

Hives may appear and then disappear at random and seem to move from place to place on the skin. Hives may range in size from less than 0.25 in. ... Patches of hives may combine to form raised, reddened skin over...

http://health.yahoo.com/allergy-overview/hives/healthwise...