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Drug interactions

Lasmiditan + Topiramate

Severity: Moderate

Lasmiditan and Topiramate: 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 commonly causes dizziness and somnolence, and topiramate also impairs alertness and cognition. The combination may increase CNS effects and impair driving ability.

What this interaction means in plain words

Lasmiditan and Topiramate 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; Topiramate belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depressant effects.

What to do

Counsel patients to avoid driving or hazardous activities for at least 8 hours after a lasmiditan dose, and 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 Topiramate?

MediHelp rates the interaction as moderate. Lasmiditan and Topiramate 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 commonly causes dizziness and somnolence, and topiramate also impairs alertness and cognition. The combination may increase CNS effects and impair driving ability.

How serious is the interaction between Lasmiditan and Topiramate?

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 activities for at least 8 hours after a lasmiditan dose, and monitor for excessive sedation.

What other medicines interact with Topiramate?

MediHelp also lists interactions of Topiramate with, for example, Benzhydrocodone / acetaminophen, Buprenorphine long-acting, Buprenorphine subdermal implant. The full list is on the Topiramate 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.

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