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Ginkgo and Warfarin: Why Mixing Them Raises Bleeding Risk
Ginkgo and warfarin together are linked to a higher risk of major bleeding than warfarin alone. Ginkgo may affect clotting, and warfarin already thins the blood. Never stop warfarin on your own: ask your prescriber and pharmacist before using any ginkgo product.
Prepared by the MemoPryl label deskUpdated · 4 min read
The risk01
Why does ginkgo and warfarin raise bleeding risk?
Ginkgo and warfarin raise bleeding risk because both can affect how blood clots. People who combined them had a higher risk of major bleeding than those on warfarin alone (NCCIH, herb-drug interactions).
Ginkgo is also linked to bleeding on its own (MSK, Ginkgo). Keep taking prescribed warfarin as directed.
Warning signs02
What bleeding signs need a call to your doctor?
Unusual bruising, nosebleeds that will not stop, black stools or blood in urine need a call to your doctor.
- Serious reactions can go to the FDA (FDA, report a problem).
Other cases03
What about surgery and other blood thinners?
Tell your surgical team about ginkgo. The European monograph advises stopping 3 to 4 days before surgery (EMA/HMPC, Ginkgo monograph).
| Ask | Why |
|---|---|
| Do I take a blood thinner? | They differ |
A soft next step04
Does MemoPryl list ginkgo?
Yes, ginkgo biloba leaf is one of six names listed for MemoPryl. If you take warfarin, ask first; see the medicines guide.
The price shows at checkout; a 60-day window is reported, so confirm the listing.
FAQ05
Warfarin questions, answered
Can I take ginkgo with other blood thinners besides warfarin?
Ask your prescriber. Ginkgo carries a bleeding caution with blood thinners in general (EMA/HMPC, Ginkgo monograph).
When should ginkgo be stopped ahead of an operation?
The European monograph says 3 to 4 days before (EMA/HMPC, Ginkgo monograph).
Does my INR need checking if I start ginkgo?
Ask your clinic.
Who wrote this06
Written and reviewed by
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