A blood thinner blood thinner: A medicine used to stop blood clots from forming. Blood thinners can be used to treat or prevent clots. Some common blood thinners are enoxaprin (Lovenox), heparin (Calciparine or Liquaemin), and warfarin (Coumadin). Also called and anticoagulant or thrombopoiesis inhibitor. , or anticoagulant anticoagulant: (ant-i-ko-AG-yuh-lunt) See blood thinner. , that comes in two forms. Both can be injected underneath the skin, subcutaneously. Heparin Heparin: Heparin is in a class of medications called anticoagulants ('blood thinners'). It works by decreasing the clotting ability of the blood. Heparin is also used to stop the growth of clots that have already formed in the blood vessels, but it cannot be used to decrease the size of clots that have… comes in high (standard unfractionated heparin) or low (fractionated heparin) molecular weights. LMWH might be prescribed for PNH patients at risk for blood clots.
