What is dalteparin?

Dalteparin is a type of medication called an anticoagulant or blood thinner. It prevents the formation of blood clots in people who have had certain surgeries, chest pains (angina) or heart attacks. It can prevent a condition called deep vein thrombosis (DVT), in which a blood clot forms in the large veins of the legs after surgery. By preventing DVT, dalteparin reduces a person's risk of a life-threatening pulmonary embolism, in which a blood clot travels to the lungs and damages lung tissue.

Dalteparin treatment also can benefit people with cancer who are at a higher risk of developing a type of blood clot called venous thromboembolism (VTE). Dalteparin can be categorized as a low molecular weight heparin. While it cannot dissolve an existing blood clot, dalteparin can prevent an existing clot from getting larger, as well as preventing new blood clots from forming. Dalteparin is administered intravenously and is often paired with other medications such as aspirin. The brand name of dalteparin is Fragmin.

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