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Moderate· moderate-evidence
May be possible under supervision — talk to your prescriber or pharmacist before combining.
Garlic may increase the antiplatelet effects of aspirin, elevating bleeding risk.
Additive inhibition of platelet aggregation; garlic inhibits via ajoene while aspirin inhibits via COX.
Source: Natural Medicines Database · Reviewed April 2026
Garlic + Aspirin: use caution. May be possible under supervision — talk to your prescriber or pharmacist before combining. Garlic may increase the antiplatelet effects of aspirin, elevating bleeding risk.
Additive inhibition of platelet aggregation; garlic inhibits via ajoene while aspirin inhibits via COX.
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.