Skip to content

Drug interactions

Lasmiditan + Nortriptyline

Severity: Moderate

Lasmiditan and Nortriptyline: 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

Lasmiditan causes dizziness and sedation, which may be worsened by nortriptyline. Both have serotonergic activity in different ways, so a theoretical risk of serotonin syndrome exists, although lasmiditan is a 5-HT1F agonist.

What this interaction means in plain words

Lasmiditan and Nortriptyline 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; Nortriptyline belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive CNS depression, with a theoretical serotonergic contribution.

What to do

Advise patients not to drive for at least 8 hours after lasmiditan. Monitor for serotonin toxicity symptoms and 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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Lasmiditan and Nortriptyline, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 14 days on the web. No card needed.

Frequently asked questions

Can I take Lasmiditan with Nortriptyline?

MediHelp rates the interaction as moderate. Lasmiditan and Nortriptyline 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 causes dizziness and sedation, which may be worsened by nortriptyline. Both have serotonergic activity in different ways, so a theoretical risk of serotonin syndrome exists, although lasmiditan is a 5-HT1F agonist.

How serious is the interaction between Lasmiditan and Nortriptyline?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Advise patients not to drive for at least 8 hours after lasmiditan. Monitor for serotonin toxicity symptoms and excessive sedation.

What other medicines interact with Nortriptyline?

MediHelp also lists interactions of Nortriptyline with, for example, Disopyramide, Dofetilide, Dronedarone. The full list is on the Nortriptyline page.

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

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

Browse A–Z · Drug interactions

Get the app Sign in