Skin reactions to medicine

Trunk of woman's body covered in hives, with close-up of hives

An allergic reaction to medicine can cause hives. They appear as raised, red, itchy bumps (wheals) of different shapes and sizes, with defined red margins and pale centers. Hives may appear and then disappear at random and seem to move from place to place on the skin.

Current as of: September 25, 2023

Author: Healthwise Staff
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