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Moderate· moderate-evidence
May be possible under supervision — talk to your prescriber or pharmacist before combining.
High-dose ginger supplements may increase bleeding risk when combined with warfarin.
Gingerols inhibit thromboxane synthase, reducing platelet aggregation. This adds to warfarin's anticoagulant effect.
Source: Natural Medicines Database · Reviewed April 2026
Ginger + Warfarin (Coumadin): use caution. May be possible under supervision — talk to your prescriber or pharmacist before combining. High-dose ginger supplements may increase bleeding risk when combined with warfarin.
Gingerols inhibit thromboxane synthase, reducing platelet aggregation. This adds to warfarin's anticoagulant effect.
Do not stop either abruptly on your own. Talk to your prescriber or pharmacist promptly — bring this page to your appointment.
Educational information only — not medical advice. Always verify with a healthcare professional.