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Drug interactions

Tolfenamic acid + Trazodone

Severity: Moderate

Tolfenamic acid and Trazodone: 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

Trazodone reduces platelet serotonin uptake and tolfenamic acid is an NSAID that inhibits platelet function and can damage the gastric mucosa. Together the risk of gastrointestinal bleeding rises.

What this interaction means in plain words

Tolfenamic acid and Trazodone 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.

Tolfenamic acid belongs to Musculoskeletal; Trazodone belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive impairment of platelet aggregation plus NSAID-induced mucosal injury.

What to do

Monitor for signs of GI bleeding and use the lowest effective NSAID dose for the shortest duration. Consider a proton pump inhibitor in higher-risk patients.

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 Tolfenamic acid with Trazodone?

MediHelp rates the interaction as moderate. Tolfenamic acid and Trazodone 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. Trazodone reduces platelet serotonin uptake and tolfenamic acid is an NSAID that inhibits platelet function and can damage the gastric mucosa. Together the risk of gastrointestinal bleeding rises.

How serious is the interaction between Tolfenamic acid and Trazodone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for signs of GI bleeding and use the lowest effective NSAID dose for the shortest duration. Consider a proton pump inhibitor in higher-risk patients.

What other medicines interact with Trazodone?

MediHelp also lists interactions of Trazodone with, for example, Arsenic trioxide, Ibutilide, Isocarboxazid. The full list is on the Trazodone page.

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

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