Harvard Health Blog
Taking an anticlotting drug? If you need a procedure, be prepared
By: Julie Corliss, Executive Editor, Harvard Heart Letter Millions of people with cardiovascular disease take drugs that help prevent blood clots, which can lodge in a vessel and choke off the blood supply to part of a leg, lung, or the brain. These potentially lifesaving medications include warfarin (Coumadin) and a class of drugs called non-vitamin K antagonist oral anticoagulants or NOACs. Examples include dabigatran (Pradaxa) and rivaroxaban (Xarelto).