Abstract
Letters7 December 2004Ginseng and Warfarin InteractionsChun-Su Yuan, MD, PhDChun-Su Yuan, MD, PhDFrom Tang Center for Herbal Medicine Research, University of Chicago, Chicago, IL 60635.Search for more papers by this authorAuthor, Article, and Disclosure Informationhttps://doi.org/10.7326/0003-4819-141-11-200412070-00031 SectionsAboutFull TextPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinkedInRedditEmail IN RESPONSE:We appreciate the comments of Dr. Plotnikoff and his colleagues. Their letter addresses important issues that warrant clarification and further discussion.Our data showed that American ginseng (Panax quinquefolius L.), a commonly used herb in the United States, reduces the anticoagulant effect of warfarin. Limitations on the length of our article prevented us from providing information about other types of ginseng, which were discussed in our previous publications (1, 2). We did not extrapolate our data on American ginseng to other species of ginseng. Our study, however, provides an example of drug–herbal interaction. Herbal medicines, such as American ...
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