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Drug interactions

Upadacitinib + Voxelotor

Severity: Moderate

Upadacitinib 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 to a moderate degree and may modestly increase upadacitinib exposure. The clinical impact is probably limited but could increase dose-related adverse effects.

What this interaction means in plain words

Upadacitinib 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.

Upadacitinib belongs to Musculoskeletal; Voxelotor belongs to Miscellaneous.

Evidence level: Low

Why it happens

Voxelotor inhibits CYP3A4, reducing upadacitinib metabolic clearance.

What to do

Monitor for infections and laboratory abnormalities such as cytopenias and lipids. Consider the lower labeled upadacitinib dose if adverse effects emerge.

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 Upadacitinib with Voxelotor?

MediHelp rates the interaction as moderate. Upadacitinib 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 to a moderate degree and may modestly increase upadacitinib exposure. The clinical impact is probably limited but could increase dose-related adverse effects.

How serious is the interaction between Upadacitinib 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 infections and laboratory abnormalities such as cytopenias and lipids. Consider the lower labeled upadacitinib dose if adverse effects emerge.

What other medicines interact with Upadacitinib?

MediHelp also lists interactions of Upadacitinib with, for example, Abrocitinib, Adenovirus types 4 and 7 live, Baricitinib. The full list is on the Upadacitinib page.

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

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