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Drug interactions

Stiripentol + Topiramate

Severity: Moderate

Stiripentol 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 agents are antiseizure drugs that cause drowsiness, so combined use increases sedation and somnolence. Stiripentol is also a CYP inhibitor, which may further affect other antiseizure drug levels.

What this interaction means in plain words

Stiripentol 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.

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

Evidence level: Moderate

Why it happens

Additive CNS depression, with possible pharmacokinetic effects of stiripentol on co-administered agents.

What to do

Monitor for somnolence, ataxia and reduced appetite, especially during titration, and reduce the dose of topiramate or stiripentol if sedation is troublesome.

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 Stiripentol with Topiramate?

MediHelp rates the interaction as moderate. Stiripentol 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 agents are antiseizure drugs that cause drowsiness, so combined use increases sedation and somnolence. Stiripentol is also a CYP inhibitor, which may further affect other antiseizure drug levels.

How serious is the interaction between Stiripentol 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: Monitor for somnolence, ataxia and reduced appetite, especially during titration, and reduce the dose of topiramate or stiripentol if sedation is troublesome.

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

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