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Drug interactions

Eletriptan + Mirtazapine

Severity: Moderate

Eletriptan and Mirtazapine: 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

Triptans combined with serotonergic antidepressants carry a theoretical risk of serotonin syndrome. Mirtazapine has weak serotonin reuptake effects, so reported risk is low, but the combination is flagged in labeling for serotonergic drugs.

What this interaction means in plain words

Eletriptan and Mirtazapine 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.

Eletriptan belongs to Central Nervous System; Mirtazapine belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive serotonergic activity via 5-HT1B/1D agonism and mirtazapine 5-HT effects.

What to do

Counsel patients to report agitation, tremor, sweating, fever or diarrhea after a triptan dose. Stop both agents and treat if serotonin syndrome 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 Eletriptan with Mirtazapine?

MediHelp rates the interaction as moderate. Eletriptan and Mirtazapine 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. Triptans combined with serotonergic antidepressants carry a theoretical risk of serotonin syndrome. Mirtazapine has weak serotonin reuptake effects, so reported risk is low, but the combination is flagged in labeling for serotonergic drugs.

How serious is the interaction between Eletriptan and Mirtazapine?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Counsel patients to report agitation, tremor, sweating, fever or diarrhea after a triptan dose. Stop both agents and treat if serotonin syndrome is suspected.

What other medicines interact with Mirtazapine?

MediHelp also lists interactions of Mirtazapine with, for example, Isocarboxazid, Phenelzine, Pimozide. The full list is on the Mirtazapine page.

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

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