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Drug interactions

Garlic + Parecoxib

Severity: Minor

Garlic and Parecoxib: 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

Parecoxib is converted to valdecoxib, a COX-2 inhibitor with little effect on platelets but possible GI and cardiovascular risks. Garlic's antiplatelet activity may modestly add to bleeding risk perioperatively.

What this interaction means in plain words

Garlic and Parecoxib 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

Garlic inhibits platelet aggregation, which may add to NSAID-related mucosal bleeding risk; the evidence is theoretical.

What to do

Advise stopping garlic supplements before surgery when parecoxib is planned. Monitor for bleeding.

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 Garlic with Parecoxib?

MediHelp rates the interaction as minor. Garlic and Parecoxib have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Parecoxib is converted to valdecoxib, a COX-2 inhibitor with little effect on platelets but possible GI and cardiovascular risks. Garlic's antiplatelet activity may modestly add to bleeding risk perioperatively.

How serious is the interaction between Garlic and Parecoxib?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise stopping garlic supplements before surgery when parecoxib is planned. Monitor for bleeding.

What other medicines interact with Garlic?

MediHelp also lists interactions of Garlic with, for example, Saquinavir, Aceclofenac, Acemetacin. The full list is on the Garlic page.

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

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