Warfarin is an anticoagulant (blood thinner). Warfarin reduces the formation of blood clots. Warfarin is used to prevent heart attacks, strokes, and blood clots in veins and arteries. Warfarin may also be used for purposes not listed in this medication guide.
Coumadin (warfarin) is an anticoagulant agent used to thin the blood and prevent the formation of blood clots. Coumadin can also be used to treat or prevent the risk of stroke, blood clots in the arteries or veins, and heart attacks. Coumadin works by targeting the body's ability to produce vitamin K, which is also responsible for blood clotting and the prevention of bleeding.