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Moderate· moderate-evidence
May be possible under supervision — talk to your prescriber or pharmacist before combining.
Chamomile (apigenin) has mild antiplatelet activity and may add to aspirin's blood-thinning effect. Case reports describe bleeding with heavy chamomile use alongside anticoagulant therapy.
Apigenin and related flavonoids inhibit platelet aggregation and COX activity, adding to aspirin's irreversible platelet inhibition.
Source: Natural Medicines Database · Reviewed September 2026
Chamomile + Aspirin: use caution. May be possible under supervision — talk to your prescriber or pharmacist before combining. Chamomile (apigenin) has mild antiplatelet activity and may add to aspirin's blood-thinning effect. Case reports describe bleeding with heavy chamomile use alongside anticoagulant therapy.
Apigenin and related flavonoids inhibit platelet aggregation and COX activity, adding to aspirin's irreversible platelet inhibition.
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.