Skin patch allergy test

Photo of a skin patch allergy test

Source: National Institute for Occupational Safety and Health (NIOSH), U.S. Centers for Disease Control and Prevention (CDC). Available online: http://www.cdc.gov/

Pads with allergen solution are taped to the skin of the back and left on for 24 to 72 hours. The skin patch test can tell is a person has a skin allergy called contact dermatitis.

Last Updated: July 2, 2009

Author: Bets Davis, MFA

Medical Review: E. Gregory Thompson, MD - Internal Medicine & Harold S. Nelson, MD - Allergy and Immunology

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