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 (crystalline warfarin sodium) is a brand of anticoagulant (blood thinning) medication. âAntiâ means against and coagulant means causing blood clotting. Coumadin controls the way blood clots inside your blood vessels. Coumadin makes your blood thinner and less likely to clot.oumadin is taken as a pill each day. You will need to get regular blood tests to tell how well the medication is working. The test results help the doctor decide the dose of coumadin that will keep a balance between clotting and bleeding. Your doctor will use the results to make changes in the dose of medication.