Hives are raised, often itchy, red welts on the surface of the skin. They are usually an allergic reaction to food or medicine.
Urticaria
When you have an allergic reaction to a substance, your body releases histamine and other chemicals into your bloodstream. This causes itching, swelling, and other symptoms. Hives are a common reaction, especially in people with other allergies such as hay fever.
When swelling or welts occur around...
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Source: ADAM Encyclopedia
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Source: ADAM Encyclopedia
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Source: Harvard Decision Guide
Prevention You can prevent hives by identifying and avoiding the particular circumstance or substance that triggered your skin reaction. If your... Read more »