why is coumadin used
An Overview of Warfarin Uses. Warfarin sodium (CoumadinÂ®, JantovenÂ®) is anticoagulant blood thinner medication used to prevent and treat blood clots. Specifically, warfarin is approved for the following uses: Preventing or treating blood clots in the veins (such as with deep vein thrombosis) Preventing or treating blood clots in the lungs (pulmonary embolism)