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Drug interactions

Cinnamon + Mefenamic acid

Severity: Minor

Cinnamon and Mefenamic acid: minor interaction.

Last updated

For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.

Summary

Cinnamon in dietary amounts is not expected to affect bleeding with mefenamic acid. Cassia cinnamon contains coumarin, but a clinically meaningful interaction is theoretical.

What this interaction means in plain words

Cinnamon and Mefenamic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Evidence level: Low

Why it happens

Theoretical additive antiplatelet or coumarin-related effect; not established.

What to do

No specific action is needed beyond awareness of unusual bruising or bleeding with large supplemental doses.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Cinnamon with Mefenamic acid?

MediHelp rates the interaction as minor. Cinnamon and Mefenamic acid have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Cinnamon in dietary amounts is not expected to affect bleeding with mefenamic acid. Cassia cinnamon contains coumarin, but a clinically meaningful interaction is theoretical.

How serious is the interaction between Cinnamon and Mefenamic acid?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No specific action is needed beyond awareness of unusual bruising or bleeding with large supplemental doses.

What other medicines interact with Mefenamic acid?

MediHelp also lists interactions of Mefenamic acid with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Mefenamic acid page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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