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Drug interactions

Dextromoramide + Topiramate

Severity: Moderate

Dextromoramide 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

Dextromoramide is a potent opioid analgesic, and combining it with topiramate can cause additive sedation, dizziness and cognitive impairment. Concurrent CNS depressants raise the risk of respiratory depression with opioids.

What this interaction means in plain words

Dextromoramide 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: Moderate

Why it happens

Additive CNS and respiratory depression from opioid agonism and topiramate.

What to do

Use the lowest effective opioid dose for the shortest duration and monitor sedation and respiratory rate. Counsel patients to avoid driving and alcohol.

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 Dextromoramide with Topiramate?

MediHelp rates the interaction as moderate. Dextromoramide 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. Dextromoramide is a potent opioid analgesic, and combining it with topiramate can cause additive sedation, dizziness and cognitive impairment. Concurrent CNS depressants raise the risk of respiratory depression with opioids.

How serious is the interaction between Dextromoramide 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: Use the lowest effective opioid dose for the shortest duration and monitor sedation and respiratory rate. Counsel patients to avoid driving and alcohol.

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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