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Drug interactions

Duloxetine + Sumatriptan intranasal

Severity: Moderate

Duloxetine and Sumatriptan intranasal: 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

Sumatriptan is a 5-HT1B/1D agonist and duloxetine increases serotonin. Serotonin syndrome has been reported with triptans and serotonin reuptake inhibitors, though the risk is low.

What this interaction means in plain words

Duloxetine and Sumatriptan intranasal 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: Moderate

Why it happens

Additive serotonergic effects.

What to do

The combination can be used when clearly indicated. Counsel on serotonin syndrome symptoms and monitor, particularly after dose changes.

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 Duloxetine with Sumatriptan intranasal?

MediHelp rates the interaction as moderate. Duloxetine and Sumatriptan intranasal 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. Sumatriptan is a 5-HT1B/1D agonist and duloxetine increases serotonin. Serotonin syndrome has been reported with triptans and serotonin reuptake inhibitors, though the risk is low.

How serious is the interaction between Duloxetine and Sumatriptan intranasal?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: The combination can be used when clearly indicated. Counsel on serotonin syndrome symptoms and monitor, particularly after dose changes.

What other medicines interact with Duloxetine?

MediHelp also lists interactions of Duloxetine with, for example, Isocarboxazid, Linezolid, Methylene blue. The full list is on the Duloxetine page.

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