Herbal Remedies

Many medicines, including herbal remedies, affect warfarin control. The following are some examples but this is not a comprehensive list. Be aware of potential interactions especially in products where the details of the content are uncertain.

Complementary Medicines which may Increase the Anticoagulant Effect

DanshenDong Quai
GingerHorse chestnut
Papain/Papaya extractVitamin E >400iu/day

Complementary Medicines which may Decrease the Anticoagulant Effect

Coenzyme Q10Ginseng
Green TeaSt John’s Wort

Complementary Medicines which affect Platelet Function

Feverfew
Ginkgo biloba
Garlic
Note

This is not an exhaustive list. To check for an interaction or what action to take contact Medicines Information Service.