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Allergic skin reactions

Allergic skin reactions

Illustration of hives

Illustrations copyright 2001 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

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.

Illustration of an allergic skin reaction to medication.

Illustrations copyright 2001 by Nucleus Communications, Inc. All rights reserved. http://www.nucleusinc.com

An allergic reaction to medicine can cause a rash that looks like measles. See the illustration above for the areas most commonly affected by the rash.

Credits

Primary Medical ReviewerCaroline S. Rhoads, MD - Internal Medicine
Specialist Medical ReviewerHarold S. Nelson, MD - Allergy and Immunology
Last UpdatedJuly 24, 2007

    Last Updated: July 24, 2007
Medical Review: Caroline S. Rhoads, MD - Internal Medicine
Harold S. Nelson, MD - Allergy and Immunology

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