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Drug interactions

Nefazodone + Oxaprozin

Severity: Moderate

Nefazodone 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

Nefazodone is a serotonergic antidepressant that can reduce platelet serotonin and aggregation, though its effect is weaker than that of SSRIs. With oxaprozin it may raise the risk of gastrointestinal bleeding.

What this interaction means in plain words

Nefazodone 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

Additive impairment of platelet function combined with NSAID-induced gastric mucosal injury.

What to do

Watch for signs of gastrointestinal bleeding, and consider a proton pump inhibitor in patients at higher risk. Use the lowest effective NSAID dose for the shortest time.

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 Nefazodone with Oxaprozin?

MediHelp rates the interaction as moderate. Nefazodone 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. Nefazodone is a serotonergic antidepressant that can reduce platelet serotonin and aggregation, though its effect is weaker than that of SSRIs. With oxaprozin it may raise the risk of gastrointestinal bleeding.

How serious is the interaction between Nefazodone 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: Watch for signs of gastrointestinal bleeding, and consider a proton pump inhibitor in patients at higher risk. Use the lowest effective NSAID dose for the shortest time.

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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