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What are the potential risks of taking black cohosh?

Individuals with high blood pressure, a seizure disorder or problems with blood clots should be very cautious in using black cohosh. Some cases of hepatitis necessitating a liver transplant have been reported by individuals taking products containing black cohosh, but the correlation between the herb and the liver disease is not clear. Individuals with liver problems should consult their doctor before using black cohosh. The U.S. Pharmacopeia, the organization that sets standards for foods and drugs in the United States, has advised the following warning on black cohosh packaging: "Discontinue use and consult a healthcare practitioner if you have a liver disorder or develop symptoms of liver trouble, such as abdominal pain, dark urine or jaundice."

In a few reports, women using black cohosh have experienced a miscarriage or vaginal bleeding, but the correlation between the herb and such adverse events is not clear.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.