Chinese herbs and warfarin potentiation by 'danshen'.

Yu, C M; Chan, J C; Sanderson, J E · J Intern Med · 1997

case_report · Level V

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Abstract

Drug interactions with warfarin can be dangerous and although common drug interactions are now well recognized those with Chinese herbs are not widely appreciated. 'Danshen' is a herbal medicine often used for various complaints, particularly cardiovascular, in the Chinese community. We report a case of danshen-induced overcoagulation with severe and dangerous abnormalities of clotting in a patient with rheumatic heart disease.

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