Skip to content

Drug interactions

Bosentan + Zaleplon

Severity: Minor

Bosentan and Zaleplon: minor 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 is a moderate CYP3A4 inducer and could lower zaleplon concentrations. Because zaleplon is mainly cleared by aldehyde oxidase, the effect is likely modest.

What this interaction means in plain words

Bosentan and Zaleplon have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.

Bosentan belongs to Miscellaneous; Zaleplon belongs to Central Nervous System.

Evidence level: Low

Why it happens

Induction of CYP3A4 by bosentan increases the secondary oxidative metabolism of zaleplon.

What to do

No empirical adjustment is needed; monitor hypnotic response and consider alternatives if zaleplon becomes ineffective.

What to ask your pharmacist

  • Is there anything I should notice while taking both?
  • Do I need to tell my doctor at the next visit?

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 Zaleplon, 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 Zaleplon?

MediHelp rates the interaction as minor. Bosentan and Zaleplon have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Bosentan is a moderate CYP3A4 inducer and could lower zaleplon concentrations. Because zaleplon is mainly cleared by aldehyde oxidase, the effect is likely modest.

How serious is the interaction between Bosentan and Zaleplon?

MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: No empirical adjustment is needed; monitor hypnotic response and consider alternatives if zaleplon becomes ineffective.

What other medicines interact with Zaleplon?

MediHelp also lists interactions of Zaleplon with, for example, Calcium / magnesium / potassium / sodium oxybates, Sodium oxybate, Brexanolone. The full list is on the Zaleplon 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