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U.S. Department of Health and Human Services


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Kava (Piper methysticum) Dec 2001

Audience: Gastroenterologists, Hepatologists, and healthcare professionals

FDA informs healthcare professionals that products containing herbal extracts of kava have been implicated in Europe in at least 25 cases of serious liver toxicity including hepatitis, cirrhosis, and liver failure. FDA requests the assistance of healthcare professionals in reviewing cases of liver toxicity to determine if any may be related to the use of kava-containing dietary supplements, and reporting such cases to MedWatch. Read the complete "Dear Healthcare Professional" letter below.

[Dec 19, 2001 - Letter - FDA / CFSAN] PDF Format