significant interaction between warfarin and dong quai

September 1999

There's a new report of a significant interaction between warfarin and dong quai.

This herb is promoted as a natural remedy for hot flashes and other menopausal symptoms.

But dong quai can DOUBLE the prothrombin time in women taking warfarin. It turns out that this herb contains natural coumarins and other substances that can inhibit blood clotting.

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significant interaction between warfarin and dong quai

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