Alteration of Coagulation Test Results and Vaginal Bleeding Associated With the Use of Feverfew ().

(feverfew) is a member of the daisy family; it is used to prevent and treat migraine and rheumatoid arthritis. It has a long history of use as a traditional and folk medicine in Chinese, Greek, Indian and Arabic medicine, having been used for hundreds of years. The term feverfew comes from the Latin word and means fever reducer.