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Drug interactions

Acetylsalicylic acid + Duloxetine

Severity: Moderate

Acetylsalicylic acid and Duloxetine: 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

Duloxetine, like other serotonergic antidepressants, increases bleeding risk, especially upper GI bleeding, when combined with aspirin. The risk is higher in older patients or those with prior ulcers.

What this interaction means in plain words

Acetylsalicylic acid and Duloxetine 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.

Acetylsalicylic acid belongs to Musculoskeletal; Duloxetine belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Inhibition of platelet serotonin uptake impairs aggregation, adding to aspirin's antiplatelet and gastric effects.

What to do

Consider gastroprotection with a proton pump inhibitor in at-risk patients and counsel on bleeding symptoms. Monitor hemoglobin if bleeding is suspected.

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 Acetylsalicylic acid with Duloxetine?

MediHelp rates the interaction as moderate. Acetylsalicylic acid and Duloxetine 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. Duloxetine, like other serotonergic antidepressants, increases bleeding risk, especially upper GI bleeding, when combined with aspirin. The risk is higher in older patients or those with prior ulcers.

How serious is the interaction between Acetylsalicylic acid and Duloxetine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Consider gastroprotection with a proton pump inhibitor in at-risk patients and counsel on bleeding symptoms. Monitor hemoglobin if bleeding is suspected.

What other medicines interact with Acetylsalicylic acid?

MediHelp also lists interactions of Acetylsalicylic acid with, for example, Ketorolac, Ketorolac intranasal, Abciximab. The full list is on the Acetylsalicylic acid page.

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