Heparin injection is an anticoagulant. It is used to decrease the clotting ability of the blood and help prevent harmful clots from forming in blood vessels. This medicine is sometimes called a blood thinner, although it does not actually thin the blood. Heparin Sodium Injection, USP is a sterile solution of heparin sodium derived from porcine intestinal mucosa, standardized for anticoagulant activity. It is to be administered by intravenous or. Heparin, also known as unfractionated heparin (UFH), is a medication and naturally occurring glycosaminoglycan. [3][4] It is one of the most studied sulfated polysaccharides. Heparin is a widely used anticoagulant primarily employed in the prevention and treatment of thromboembolic disorders such as deep vein thrombosis, pulmonary embolism, and myocardial infarction. Heparin (heparin sodium injectable) is a heterogeneous group of straight-chain anionic mucopolysaccharides, called glycosaminoglycans that have anticoagulant properties used to help prevent clot formation (for example, venous thrombosis, pulmonary embolisms, coagulopathies and coronary artery clots). Heparin is an anticoagulant (blood thinner) that prevents the formation of blood clots. Heparin is used to treat and prevent blood clots caused by certain medical conditions or medical procedures. Heparin is an anticoagulant (“blood thinner”) that stops your blood from forming blood clots or making them bigger. It can help a blood clot dissolve faster, but it can’t break it down.