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Drug interactions

Lasmiditan + Mirtazapine

Severity: Moderate

Lasmiditan 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

Both drugs cause somnolence and dizziness, so combined use may produce greater sedation and impaired psychomotor performance. Lasmiditan also carries a driving restriction after each dose.

What this interaction means in plain words

Lasmiditan 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.

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

Evidence level: Moderate

Why it happens

Additive CNS depressant and sedative effects through pharmacodynamic synergism.

What to do

Counsel patients to avoid driving or hazardous tasks for at least 8 hours after lasmiditan and to avoid alcohol. Monitor for excessive sedation.

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 Lasmiditan with Mirtazapine?

MediHelp rates the interaction as moderate. Lasmiditan 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. Both drugs cause somnolence and dizziness, so combined use may produce greater sedation and impaired psychomotor performance. Lasmiditan also carries a driving restriction after each dose.

How serious is the interaction between Lasmiditan 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 avoid driving or hazardous tasks for at least 8 hours after lasmiditan and to avoid alcohol. Monitor for excessive sedation.

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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