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Drug interactions

Fedratinib + Risperidone

Severity: Moderate

Fedratinib 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

Fedratinib is a moderate CYP2D6 inhibitor and may raise risperidone concentrations, shifting the ratio of risperidone to 9-hydroxyrisperidone. This can increase dose-related effects such as extrapyramidal symptoms, sedation and hypotension.

What this interaction means in plain words

Fedratinib 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.

Fedratinib belongs to Oncology; Risperidone belongs to Central Nervous System.

Evidence level: Moderate

Why it happens

Inhibition of CYP2D6-mediated hydroxylation of risperidone.

What to do

Monitor for extrapyramidal symptoms, sedation and hypotension and reduce the risperidone dose if they occur.

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 Fedratinib with Risperidone?

MediHelp rates the interaction as moderate. Fedratinib 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. Fedratinib is a moderate CYP2D6 inhibitor and may raise risperidone concentrations, shifting the ratio of risperidone to 9-hydroxyrisperidone. This can increase dose-related effects such as extrapyramidal symptoms, sedation and hypotension.

How serious is the interaction between Fedratinib 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 for extrapyramidal symptoms, sedation and hypotension and reduce the risperidone dose if they occur.

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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