Heparin is an anticoagulant medicine given as a shot (injection). Your doctor may have given you low-molecular-weight heparin. Anticoagulants are often called blood thinners. They prevent new blood clots from forming and keep existing clots from getting larger.

Is there an injectable blood thinner?

What Is Lovenox? Lovenox (enoxaparin sodium) Injection is an anticoagulant (blood thinner) used to prevent blood clots that are sometimes called deep vein thrombosis (DVT), which can lead to blood clots in the lungs.

How long does an injection of blood thinner last?

Most people need shots for 5 to 10 days, but in some cases it can be longer. Your doctor will tell you how long you need to have the shots. Enoxaparin is used to: Treat deep vein thrombosis (DVT), which is a blood clot in the legs, pelvis, or arms.