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Drug interactions

Roflumilast + Voxelotor

Severity: Moderate

Roflumilast and Voxelotor: 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

Voxelotor inhibits CYP3A4 and may raise roflumilast exposure, potentially increasing diarrhea, weight loss and psychiatric adverse effects.

What this interaction means in plain words

Roflumilast and Voxelotor 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.

Roflumilast belongs to Respiratory; Voxelotor belongs to Miscellaneous.

Evidence level: Low

Why it happens

Voxelotor inhibits CYP3A4, decreasing roflumilast metabolism.

What to do

Monitor for roflumilast adverse effects and consider stopping it if gastrointestinal or psychiatric symptoms develop.

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 Roflumilast with Voxelotor?

MediHelp rates the interaction as moderate. Roflumilast and Voxelotor 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. Voxelotor inhibits CYP3A4 and may raise roflumilast exposure, potentially increasing diarrhea, weight loss and psychiatric adverse effects.

How serious is the interaction between Roflumilast and Voxelotor?

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 roflumilast adverse effects and consider stopping it if gastrointestinal or psychiatric symptoms develop.

What other medicines interact with Roflumilast?

MediHelp also lists interactions of Roflumilast with, for example, Apalutamide, Carbamazepine, Efavirenz. The full list is on the Roflumilast 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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