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Drug interactions

Vilazodone + Voxelotor

Severity: Moderate

Vilazodone 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 can increase exposure to CYP3A4 substrates. Vilazodone levels may rise, though vilazodone is not a narrow therapeutic index drug.

What this interaction means in plain words

Vilazodone 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.

Vilazodone belongs to Central Nervous System; Voxelotor belongs to Miscellaneous.

Evidence level: Low

Why it happens

Inhibition of CYP3A4-mediated vilazodone metabolism.

What to do

Monitor for adverse effects and consider reducing vilazodone to 20 mg daily if poorly tolerated.

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 Vilazodone with Voxelotor?

MediHelp rates the interaction as moderate. Vilazodone 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 can increase exposure to CYP3A4 substrates. Vilazodone levels may rise, though vilazodone is not a narrow therapeutic index drug.

How serious is the interaction between Vilazodone 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 adverse effects and consider reducing vilazodone to 20 mg daily if poorly tolerated.

What other medicines interact with Vilazodone?

MediHelp also lists interactions of Vilazodone with, for example, Isocarboxazid, Methylene blue, Phenelzine. The full list is on the Vilazodone page.

Full monographs, dosing and an interaction checker in the MediHelp app

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