Combining anticoagulant drugs with herbal medicines is risky, report says

doi:10.1136/bmj.323.7324.1270c

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Roger Dobson

Abergavenny

A review of reported interactions between herbal and conventional drugs has found more than 100 cases but warns that more research is urgently needed.

“Herb-drug interactions occur but are under-researched. In many cases there is no plausible mechanism to explain the observed phenomena and causality is uncertain,” says the report in the British Journal of Clinical Pharmacology (2001;52:587-95).

The aim of the review, by Professor Edzard Ernst of the Department of Complementary Medicine at Exeter University and Adriane Fugh-Berman of George Washington University School of Medicine, Washington, …