How Passionflower interacts with Anticoagulant medications

Interaction type: Interactions

Interaction rating: Potential/Theoritical

This dietary supplement is reported to contain ingredients similar to those contained in these medications. Though no adverse effects have been reported, large doses of this dietary supplement may alter the effects of these medications and possibly the dose needed for treatment. Use with caution. (1)

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


  1. Newall CA, Anderson LA, Phillipson JD. Herbal Medicines; A Guide for Health-Care Professionals. London:The Pharmaceutical Press;1996.