Dermatologic manifestations of complementary therapy.

The dermatologic manifestations of complementary therapy include reactions to herbs used orally and topically for treating skin disease, cutaneous reactions to drugs used orally and topically for treating other diseases, and reactions to alternative interventions. The safety of alternative medicine is in question. Unlike approved drugs, the quality, efficacy, and safety of herbal medicines is not regulated. Herbal medicines may be misidentified and contaminated with a variety of substances. The following review identifies and categorizes therapies according to their common uses with their adverse reactions.