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Contact Urticaria from Curcumin

Liddle, Melinda; Hull, Christopher; Liu, Clive; Powell, Douglas

doi: 10.2310/6620.2006.06004

Turmeric, a spice derived from the rhizome of the plant Curcuma longa, contains the chemical curcumin, which is responsible for turmeric's taste, color, and biologic properties. Curcumin is used as a spice in foods, as a treatment in traditional medicine, as a dye for fur, and as a component in nutritional supplements. A few cases of allergic contact dermatitis from curcumin have been reported. We report two cases of contact urticaria from curcumin. These cases are mediated by two different mechanisms of contact urticaria: nonimmunologic and immunologic (immunoglobulin-E mediated).

From the Department of Dermatology, University of Utah School of Medicine, Salt Lake City, UT.

Address reprint requests to Douglas Powell, MD, Department of Dermatology, University of Utah, 4B454 SOM, 30 North 1900 East, Salt Lake City, UT 84132; E-mail:

©2006American Contact Dermatitis Society, All Right Reserved
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