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Persistent Allergic Contact Dermatitis to Plastic Toilet Seats


Address correspondence to Andrea L. Zaenglein, M.D., Department of Dermatology, HU14, Penn State/M.S. Hershey Medical Center, 500 University Drive, Hershey, PA 17033, or e-mail:


Abstract:  Allergic contact dermatitis to various components of toilet seats is being recognized and reported with increasing frequency. This report details the case of an young girl who was found to be allergic to plastic found in both a toilet seat and a school chair. It highlights particular problems with patch testing young children and the difficulty in confirming allergy to plastics.