How Chamomile interacts with Warfarin

Interaction type: Interactions

Interaction rating: Study Supported

A human case study reported that constituents in chamomile influenced the effects of warfarin. This may affect 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. View Abstract: Segal R, et al. Warfarin interaction with Matricaria chamomilla. CMAJ. Apr 2006;174(9).