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Drug interactions

Esketamine intranasal + Topiramate

Severity: Moderate

Esketamine intranasal 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

Esketamine causes sedation, dissociation and cognitive impairment, which may be increased by topiramate. Combined CNS depressants can heighten drowsiness and reduce alertness after esketamine dosing.

What this interaction means in plain words

Esketamine intranasal 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.

Evidence level: Low

Why it happens

Additive CNS depression from NMDA antagonism and topiramate.

What to do

Monitor for sedation during the required post-dose observation period. Advise patients not to drive until the next day after a restful sleep.

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 Esketamine intranasal with Topiramate?

MediHelp rates the interaction as moderate. Esketamine intranasal 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. Esketamine causes sedation, dissociation and cognitive impairment, which may be increased by topiramate. Combined CNS depressants can heighten drowsiness and reduce alertness after esketamine dosing.

How serious is the interaction between Esketamine intranasal 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 sedation during the required post-dose observation period. Advise patients not to drive until the next day after a restful sleep.

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.

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