Warfarin (Coumadin, Jantoven) is an inexpensive drug used to treat or prevent clots in the veins, arteries, lungs, or heart. It is more popular than comparable drugs. It is available in multiple generic and brand versions. Generic warfarin is covered by most Medicare and insurance plans, but some pharmacy coupons or cash prices may be lower.

Get Warfarin for as low as $4.00, which is 80% off the average retail price of $20.40 for the most common version, by using a GoodRx coupon.