Warfarin is medicine that controls how your blood clots. It's used to help prevent blood clots that may cause serious health problems. These problems include heart attack, stroke, a blockage in an artery or vein, or a blood clot that travels to the lungs (pulmonary embolism).
Learn how Warfarin works to prevent blood clots from forming, getting bigger, or traveling through the body. Also, learn the possible side effects to be aware of, and how to properly use and store this medication.
