How Dong Quai interacts with Anticoagulant medications

Interaction type: Interactions

Interaction rating: Study Supported

Studies have reported that dong quai 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)

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


  1. View Abstract: Lo AC, et al. Danggui (Angelica sinensis) Affects the Pharmacodynamics But Not the Pharmacokinetics of Warfarin in Rabbits. Eur J Drug Metab and Pharmacokinet. 1995;20(1):55-60.
  2. View Abstract: Ellis GR, Stephens MR. Untitled (brief case report). BMJ 1999;319:650.
  3. View Abstract: Page RL II, Lawrence JD. Potentiation of Warfarin by Dong Quai. Pharmacotherapy 1999;19(7):870-876.