The cause of GPA is unknown. GPA often affects the sinuses, lungs and kidneys, and can lead to kidney failure. Recurrences of this form of vasculitis are common. While disease relapses frequently occur, early detection and treatment can lessen the potential for serious organ injury.
Warfarin is an anticoagulant (blood thinner). Warfarin reduces the formation of blood clots. Warfarin is used to treat or prevent blood clots in veins or arteries, which can reduce the risk of stroke, heart attack, or other serious conditions. Warfarin may also be used for purposes not listed in this medication guide.
COUMADIN (warfarin sodium) tablets and COUMADIN (warfarin sodium) for injection contain warfarin sodium, an anticoagulant that acts by inhibiting vitamin K-dependent coagulation factors.