Anticoagulant medicines active ingredients

Anticoagulants — a type of anti-clotting medicine — are used to prevent or treat blood clots that can cause serious conditions such as a stroke, heart attack, or deep vein thrombosis (DVT).

Anticoagulant medicines include different active ingredients and can be taken by mouth or administered by injection.

Oral anticoagulant active ingredients include:

Injected anticoagulants active ingredients include:

  • bivalirudin
  • dalteparin
  • danaparoid
  • enoxaparin
  • fondaparinux
  • heparin
  • lepirudin

The active ingredient is the chemical in a medicine that makes it work and can be available under different brand names. Your medicine label should tell you the active ingredient and the brand name. For example, warfarin is available as two brands: Marevan and Coumadin.

Find out more about how warfarin prevents blood clots, the side effects of warfarin and the interactions of warfarin with other medicines.