How Ginkgo interacts with Anticoagulant medications

Interaction type: Interactions

Interaction rating: Study Supported

Studies have reported that ginkgo affects the blood's clotting ability and may alter the effects of these medications and possibly the dose needed for treatment. Use with caution. (1) (2) (3) (4)

These drugs include warfarin, heparin, dalteparin, tinzaparin, enoxaparin, danaparoid sodium, antithrombin III, lipirudin, argatroban, bivalirudin,


  1. Braquet P. Anti-anaphylactic Properties of BN 52021: A Potent Platelet Activating Factor Antagonist. Advances in Experimental Medicine and Biology. 1987;215:215-33.
  2. View Abstract: Braquet P, et al. Ethnopharmacology and the Development of Natural PAF Antagonists as Therapeutic Agents. J Ethnopharmacol. Apr1991;32(1-3):135-39.
  3. Rosenblatt M, Mindel J. Spontaneous hyphema associated with ingestion of Ginkgo biloba extract. N Engl J Med. Apr1997;336(15):1108.
  4. Rowin J, Lewis SL. Spontaneous bilateral subdural hematomas associated with chronic Ginkgo biloba ingestion. Neurology. Jun 1996;46(6):1775-6.