Many medicines, including herbal remedies, affect warfarin control. Always check with the chemist before buying new medicines. Changes in doses or stopping medicines that you are already taking can also affect the level. Check with your doctor.
Complementary Medicines which may Increase the Anticoagulant Effect
| Danshen |
Dong Quai |
| Ginger |
Horse chestnut |
| Papain/Papaya extract |
Vitamin E >400iu/day |
Complementary Medicines which may Decrease the Anticoagulant Effect
| Coenzyme Q10 |
Ginseng |
| Green Tea |
St 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 or your pharmacist.