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Drug interactions

Feverfew + Oxaprozin

Severity: Moderate

Feverfew and Oxaprozin: moderate 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

Feverfew inhibits platelet aggregation in laboratory studies and may increase bleeding tendency when combined with NSAIDs. Clinical reports are limited.

What this interaction means in plain words

Feverfew and Oxaprozin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Evidence level: Low

Why it happens

Parthenolide and related constituents inhibit platelet function, adding to the antiplatelet effect of oxaprozin.

What to do

Advise avoiding feverfew supplements during oxaprozin therapy, and stop it before surgery. Monitor for bruising or bleeding if used together.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

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 Feverfew with Oxaprozin?

MediHelp rates the interaction as moderate. Feverfew and Oxaprozin can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Feverfew inhibits platelet aggregation in laboratory studies and may increase bleeding tendency when combined with NSAIDs. Clinical reports are limited.

How serious is the interaction between Feverfew and Oxaprozin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise avoiding feverfew supplements during oxaprozin therapy, and stop it before surgery. Monitor for bruising or bleeding if used together.

What other medicines interact with Oxaprozin?

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

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