Anticoagulant warning for turmeric supplements

It follows case reports where patients' INR have increased

Herbal products containing turmeric could increase the risk of bleeding for people on some anticoagulants.

turmeric root

New Zealand’s Centre for Adverse Reaction Monitoring (Carm) has issued a warning about the products after it received a case report on a patient taking warfarin who began taking a supplement containing turmeric.

The patient had stable INR measurements, but within a few weeks of starting the supplement, their INR increased to over 10.

The report concluded that the turmeric-containing product had interacted with warfarin.  

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