Warfarin, a vitamin K antagonist, is the only oral anticoagulant available for use in the United States despite its narrow therapeutic range, considerable variability in dose response among ...

The most important step in managing potential drug interactions with warfarin is to recognize that adding, stopping, or changing the dose of any drug may affect the patient's response to warfarin.

Warfarin is an anticoagulation drug that is used in the prevention of thrombosis. It functions to decrease blood coagulation by inhibiting vitamin K epoxide reductase, thus antagonizing vitamin K1 ...