If warfarin and Coenzyme Q 10 are used concomitantly, the patient's INR should be monitored periodically within the first two weeks. One published case report suggests that Oriental ginseng ...

Our study found that the INR was increased in the over-whelming majority (91%) of patients following concomitant use of warfarin and short ... was a retrospective chart review.

To get the correct warfarin dose, patients have to have their INR tested. INR—international normalized ratio test—is a common blood test that determines how quickly your blood clots.