Skip to content

Drug interactions

Daridorexant + Topiramate

Severity: Moderate

Daridorexant 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

Daridorexant promotes sleep through orexin receptor antagonism, and topiramate adds central depressant effects. Together they may increase next-day somnolence and impair psychomotor performance and driving ability.

What this interaction means in plain words

Daridorexant 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.

Daridorexant belongs to Central Nervous System; Topiramate belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Additive CNS depression from orexin receptor antagonism and the sedative and cognitive effects of topiramate.

What to do

Start with the lowest daridorexant dose and monitor for daytime impairment. Counsel patients against driving or hazardous activity if drowsy the next day.

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 Daridorexant and Topiramate, 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 7 days on the web. No card needed.

Frequently asked questions

Can I take Daridorexant with Topiramate?

MediHelp rates the interaction as moderate. Daridorexant 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. Daridorexant promotes sleep through orexin receptor antagonism, and topiramate adds central depressant effects. Together they may increase next-day somnolence and impair psychomotor performance and driving ability.

How serious is the interaction between Daridorexant 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: Start with the lowest daridorexant dose and monitor for daytime impairment. Counsel patients against driving or hazardous activity if drowsy the next day.

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.

Browse A–Z · Drug interactions

Get the app Sign in