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Drug interactions

Belumosudil + Esomeprazole

Severity: Moderate

Belumosudil and Esomeprazole: 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

Proton pump inhibitors lower belumosudil exposure, which may reduce efficacy in chronic graft-versus-host disease. Labeling recommends a higher belumosudil dose with PPIs.

What this interaction means in plain words

Belumosudil and Esomeprazole 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.

Belumosudil belongs to Oncology; Esomeprazole belongs to Gastrointestinal Tract.

Evidence level: High

Why it happens

Increased gastric pH reduces the absorption of belumosudil.

What to do

Increase belumosudil to 200 mg twice daily while on a PPI, or use an alternative to the PPI, and monitor clinical response.

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 Belumosudil with Esomeprazole?

MediHelp rates the interaction as moderate. Belumosudil and Esomeprazole 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. Proton pump inhibitors lower belumosudil exposure, which may reduce efficacy in chronic graft-versus-host disease. Labeling recommends a higher belumosudil dose with PPIs.

How serious is the interaction between Belumosudil and Esomeprazole?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Increase belumosudil to 200 mg twice daily while on a PPI, or use an alternative to the PPI, and monitor clinical response.

What other medicines interact with Esomeprazole?

MediHelp also lists interactions of Esomeprazole with, for example, Mavacamten, Rilpivirine, Acalabrutinib. The full list is on the Esomeprazole page.

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

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