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Drug interactions

Brexanolone + Risperidone

Severity: Moderate

Brexanolone and Risperidone: 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

Brexanolone causes dose-related sedation and sudden loss of consciousness, and risperidone also has sedating properties. Used together, excessive sedation may be more likely.

What this interaction means in plain words

Brexanolone and Risperidone 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 depression through pharmacodynamic effects (GABA-A modulation plus antipsychotic sedation).

What to do

Monitor continuously for sedation and hypoxia during the brexanolone infusion, as per labeling. Interrupt or reduce the infusion if excessive sedation occurs.

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 Brexanolone with Risperidone?

MediHelp rates the interaction as moderate. Brexanolone and Risperidone 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. Brexanolone causes dose-related sedation and sudden loss of consciousness, and risperidone also has sedating properties. Used together, excessive sedation may be more likely.

How serious is the interaction between Brexanolone and Risperidone?

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 continuously for sedation and hypoxia during the brexanolone infusion, as per labeling. Interrupt or reduce the infusion if excessive sedation occurs.

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

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