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Drug interactions

Risperidone + Sufentanil

Severity: Moderate

Risperidone and Sufentanil: 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 depress the CNS, so combined use can cause deeper sedation, hypotension and respiratory depression. The risk is greatest with higher opioid doses or in frail patients.

What this interaction means in plain words

Risperidone and Sufentanil 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.

Risperidone belongs to Central Nervous System; Sufentanil belongs to Musculoskeletal.

Evidence level: Moderate

Why it happens

Additive CNS depressant and hypotensive effects.

What to do

Use the lowest effective sufentanil dose and monitor sedation, respiratory rate and blood pressure.

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 Risperidone with Sufentanil?

MediHelp rates the interaction as moderate. Risperidone and Sufentanil 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 depress the CNS, so combined use can cause deeper sedation, hypotension and respiratory depression. The risk is greatest with higher opioid doses or in frail patients.

How serious is the interaction between Risperidone and Sufentanil?

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 sufentanil dose and monitor sedation, respiratory rate and blood pressure.

What other medicines interact with Risperidone?

MediHelp also lists interactions of Risperidone with, for example, Ibutilide, Vandetanib, Adagrasib. The full list is on the Risperidone 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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