is warfarin an anticoagulant?
Warfarin and heparin are anticoagulant medications, often referred to as blood thinners. These help prevent clots from forming in the blood. Anticoagulants are used in the treatment of some types of heart disease and to prevent dangerous blood clots. These include: 1  Deep vein thrombosis or DVT-blood clots in the leg veins. 2  Pulmonary embolism-blood clot in the lungs.