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Drug interactions

Fluoxetine + Tolmetin

Severity: Moderate

Fluoxetine and Tolmetin: 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

Fluoxetine with an NSAID increases the risk of upper gastrointestinal bleeding. Risk is highest in older adults and those with prior ulcers.

What this interaction means in plain words

Fluoxetine and Tolmetin 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.

Fluoxetine belongs to Central Nervous System; Tolmetin belongs to Musculoskeletal.

Evidence level: High

Why it happens

SSRI depletion of platelet serotonin impairs aggregation, adding to NSAID COX-1 inhibition and mucosal damage.

What to do

Use the lowest effective NSAID dose for the shortest time and consider a proton pump inhibitor. Monitor for GI bleeding and anemia.

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 Fluoxetine with Tolmetin?

MediHelp rates the interaction as moderate. Fluoxetine and Tolmetin 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. Fluoxetine with an NSAID increases the risk of upper gastrointestinal bleeding. Risk is highest in older adults and those with prior ulcers.

How serious is the interaction between Fluoxetine and Tolmetin?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Use the lowest effective NSAID dose for the shortest time and consider a proton pump inhibitor. Monitor for GI bleeding and anemia.

What other medicines interact with Tolmetin?

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