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Drug interactions

Apremilast + Bosentan

Severity: Moderate

Apremilast and Bosentan: 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

Bosentan may reduce apremilast exposure through CYP3A4 induction, though it is a moderate rather than strong inducer. Reduced apremilast levels may reduce control of psoriasis or psoriatic arthritis.

What this interaction means in plain words

Apremilast and Bosentan 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.

Apremilast belongs to Miscellaneous; Bosentan belongs to Miscellaneous.

Evidence level: Low

Why it happens

Induction of CYP3A4 by bosentan increases apremilast metabolism.

What to do

Monitor for loss of apremilast efficacy and consider an alternative therapy if response declines.

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 Apremilast with Bosentan?

MediHelp rates the interaction as moderate. Apremilast and Bosentan 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. Bosentan may reduce apremilast exposure through CYP3A4 induction, though it is a moderate rather than strong inducer. Reduced apremilast levels may reduce control of psoriasis or psoriatic arthritis.

How serious is the interaction between Apremilast and Bosentan?

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 loss of apremilast efficacy and consider an alternative therapy if response declines.

What other medicines interact with Bosentan?

MediHelp also lists interactions of Bosentan with, for example, Cyclosporin, Glibenclamide, Glyburide-metformin. The full list is on the Bosentan 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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