Usually Warfarin, as it helps to thin the blood and reduce the risk of Clotting,thus helping DVT sufferers.
Anticoagulants
Doctors will put you on some kind of anti coagulation therapy to prevent more clotting. Usually a brief course of heparin then warfarin. If you have or suspect a DVT you need to see a doctor DVT's...
Deep vein thrombosis (a blood clot (thrombus) in a deep vein in the thigh or leg)
Deep vein thrombosis is the formation of a blood clot in one of the deep veins of the body, usually in the leg.