Food Allergy Topic Guide
Food Allergy: For someone with a food allergy, eating or swallowing even a tiny amount of a particular food can cause symptoms such as: food allergy is to avoid the foods one is allergic to.
Hives and Angioedema Hives are a sudden allergic skin reaction. Hives are raised reddish bumps that cause severe itching. Angioedema is similar to hives but the welts are larger and involve a deeper layer in the skin. Allergies, insect stings and bites, stress, exercise, and infections are common causes of hives and angioedema. In mild cases, no treatment is needed. Severe reactions should be treated by a health care professional.
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