Fixed Drug Eruption to Supplement Containing Ginkgo Biloba and Vinpocetine: A Case Report and Review of Related Cutaneous Side Effects.
- Philip R Cohen
J Clin Aesthet Dermatol 2017 Oct 1;10(10):44-47. Epub 2017 Oct 1.
Dr. Cohen is from the Department of Dermatology at the University of California San Diego, La Jolla, California.
BACKGROUND: Fixed drug eruption is a cutaneous reaction to a systemic agent that typically presents as an annular or oval erythematous patch or blister and subsequently resolves with postinflammatory hyperpigmentation at the site. Ginkgo biloba leaf extract and vinpocetine are nutritional supplements used to enhance memory in patients with dementia and age-related memory impairment conditions such as Alzheimer's disease. PURPOSE: To describe a fixed drug eruption in a man who repeatedly developed pruritus and macular erythema on his distal penile shaft after ingesting a natural product containing Ginkgo biloba and vinpocetine. Read More