Skip to content

Drug interactions

Bosentan + Iloperidone

Severity: Moderate

Bosentan and Iloperidone: 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 iloperidone exposure through CYP3A4 induction, potentially lessening antipsychotic effect. Iloperidone is a weak CYP3A inhibitor and could modestly raise bosentan levels, though the relevance is uncertain.

What this interaction means in plain words

Bosentan and Iloperidone 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 belongs to Miscellaneous; Iloperidone belongs to Central Nervous System.

Evidence level: Low

Why it happens

Bosentan induces CYP3A4, increasing iloperidone clearance, while iloperidone may weakly inhibit CYP3A4 metabolism of bosentan.

What to do

Monitor psychiatric symptom control and bosentan adverse effects such as hypotension and liver enzyme rise.

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.

Pro+ members

Unlock the full page

Create an account and start a Pro+ trial to unlock the full management advice for Bosentan and Iloperidone, the additional notes, the evidence detail and the whole-prescription interaction checker.

  • Full clinical management advice
  • Additional notes
  • Evidence detail
  • Interaction checker for a whole prescription

Try Pro+ free for 7 days on the web. No card needed.

Frequently asked questions

Can I take Bosentan with Iloperidone?

MediHelp rates the interaction as moderate. Bosentan and Iloperidone 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 iloperidone exposure through CYP3A4 induction, potentially lessening antipsychotic effect. Iloperidone is a weak CYP3A inhibitor and could modestly raise bosentan levels, though the relevance is uncertain.

How serious is the interaction between Bosentan and Iloperidone?

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 psychiatric symptom control and bosentan adverse effects such as hypotension and liver enzyme rise.

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.

Browse A–Z · Drug interactions

Get the app Sign in