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Drug interactions

Diclofenac + Milnacipran

Severity: Moderate

Diclofenac and Milnacipran: 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

Milnacipran, a serotonin-norepinephrine reuptake inhibitor, combined with diclofenac increases the risk of bleeding, particularly upper GI bleeding.

What this interaction means in plain words

Diclofenac and Milnacipran 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.

Diclofenac belongs to Musculoskeletal; Milnacipran belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Reduced platelet serotonin uptake by milnacipran combined with NSAID COX-1 platelet inhibition and gastric mucosal injury produces additive bleeding risk.

What to do

Monitor for signs of GI and other bleeding, and consider gastroprotection with a proton pump inhibitor in high-risk patients. Use the lowest effective NSAID dose.

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 Diclofenac with Milnacipran?

MediHelp rates the interaction as moderate. Diclofenac and Milnacipran 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. Milnacipran, a serotonin-norepinephrine reuptake inhibitor, combined with diclofenac increases the risk of bleeding, particularly upper GI bleeding.

How serious is the interaction between Diclofenac and Milnacipran?

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 and other bleeding, and consider gastroprotection with a proton pump inhibitor in high-risk patients. Use the lowest effective NSAID dose.

What other medicines interact with Diclofenac?

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

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