Drug interactions
Bosentan + Glibenclamide
Severity: Contraindicated
Bosentan and Glibenclamide: contraindicated interaction.
Last updated Sources: US FDA label
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 lowers glyburide exposure through CYP induction, weakening glycaemic control, and the pairing is associated with a higher rate of liver aminotransferase elevations. Bosentan labelling lists glyburide as contraindicated.
What this interaction means in plain words
Bosentan and Glibenclamide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two.
Bosentan belongs to Miscellaneous; Glibenclamide belongs to Endocrine.
Why it happens
Bosentan CYP2C9/3A4 induction reduces glibenclamide levels; additive hepatocellular toxicity
What to do
Do not combine; use a different hypoglycaemic agent (for example insulin or a non-sulfonylurea) and monitor liver tests per bosentan labelling.
What to ask your pharmacist
- Is there an alternative to one of these two medicines for me?
- If both are essential, who is monitoring me and how often?
- Which symptoms mean I should stop and seek help straight away?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Bosentan and Glibenclamide, 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.
References
Other interactions of Glibenclamide
Other interactions of Bosentan
- Bosentan + Cyclosporin Contraindicated
- Bosentan + Glyburide-metformin Contraindicated
- Bosentan + Lonafarnib Contraindicated
- Bosentan + Sparsentan Contraindicated
- Artemether / lumefantrine + Bosentan Major
- Atazanavir + Bosentan Major
Frequently asked questions
Can I take Bosentan with Glibenclamide?
MediHelp rates the interaction as contraindicated. Bosentan and Glibenclamide are not normally used together. Taking them at the same time is expected to cause harm or make one of them unsafe, so a different medicine is usually chosen for one of the two. Bosentan lowers glyburide exposure through CYP induction, weakening glycaemic control, and the pairing is associated with a higher rate of liver aminotransferase elevations. Bosentan labelling lists glyburide as contraindicated.
How serious is the interaction between Bosentan and Glibenclamide?
MediHelp rates it contraindicated, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Do not combine; use a different hypoglycaemic agent (for example insulin or a non-sulfonylurea) and monitor liver tests per bosentan labelling.
What other medicines interact with Glibenclamide?
MediHelp also lists interactions of Glibenclamide with, for example, Cholic acid, Ciprofloxacin, Clarithromycin. The full list is on the Glibenclamide 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.
