Skip to content

Drug interactions

Dantrolene + Topiramate

Severity: Moderate

Dantrolene 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

Both drugs can cause drowsiness, dizziness and impaired concentration. Used together, sedation and psychomotor impairment may be greater than with either alone.

What this interaction means in plain words

Dantrolene 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.

Dantrolene belongs to Musculoskeletal; Topiramate belongs to Central Nervous System.

Evidence level: Low

Why it happens

Additive central nervous system depressant effects.

What to do

Counsel patients about drowsiness and driving or machinery risks, and start with low doses with gradual titration; reduce a dose if sedation is excessive.

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 Dantrolene 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 14 days on the web. No card needed.

Frequently asked questions

Can I take Dantrolene with Topiramate?

MediHelp rates the interaction as moderate. Dantrolene 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. Both drugs can cause drowsiness, dizziness and impaired concentration. Used together, sedation and psychomotor impairment may be greater than with either alone.

How serious is the interaction between Dantrolene 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 about drowsiness and driving or machinery risks, and start with low doses with gradual titration; reduce a dose if sedation is excessive.

What other medicines interact with Dantrolene?

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