This document discusses treatments for bleeding and anticoagulation. It begins by defining anticoagulants as drugs that prevent blood clotting and notes they can be used as medications. It then discusses different types of anticoagulant medications including new oral anticoagulants and coumarins. Coumarins like warfarin are derived from plants and take 2-3 days to take effect. The document also notes the risks of coumarin therapy and lists some available agents. It concludes with an overview of symptoms common to many types of anemia such as fatigue, pallor, and shortness of breath.