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Hives (urticaria) - close-up

Hives (urticaria) - close-up

Overview

Hives (urticaria) are raised, red, itchy welts. The majority of urticaria develop as a result of allergic reactions. Occasionally, they may be associated with autoimmune diseases, infections (parasitosis), drugs, malignancy, or other causes.

Update Date 5/10/2014