Warfarin
Generic Name: warfarin (WAR far in)
Brand Names: Coumadin, Jantoven
What is warfarin?
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Warfarin is an anticoagulant (blood thinner). Warfarin reduces the formation of blood clots by blocking the formation of certain clotting factors.
Warfarin is used to prevent heart attacks, strokes, and blood clots in veins and arteries.
Warfarin may also be used for purposes other than those listed in this medication guide.
Important information about warfarin
Warfarin can harm an unborn baby or cause birth defects. Do not use warfarin if you are pregnant or may become pregnant. Never take a double dose of this medication or take it together with other products that contain warfarin or coumarin. You should not take warfarin if you have a bleeding or blood cell disorder, blood in your urine or stools, an infection of the lining of your heart, stomach bleeding, bleeding in the brain, recent or upcoming surgery, or if you need a spinal tap or spinal anesthesia (epidural).