Drug interactions
Bosentan + Treprostinil
Severity: Minor
Bosentan and Treprostinil: 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
Both drugs are used for pulmonary arterial hypertension and are often combined deliberately. Additive vasodilation can increase the risk of hypotension, flushing and headache.
What this interaction means in plain words
Bosentan and Treprostinil 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; Treprostinil belongs to Cardiovascular.
Why it happens
Additive pulmonary and systemic vasodilation through endothelin receptor blockade and prostacyclin receptor agonism.
What to do
Monitor blood pressure and symptoms of vasodilation when starting or titrating either drug. Dose adjustment is rarely needed.
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?
Pro+ members
Unlock the full page
Create an account and start a Pro+ trial to unlock the full management advice for Bosentan and Treprostinil, 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.
Other interactions of Bosentan
- Bosentan + Cyclosporin Contraindicated
- Bosentan + Glibenclamide Contraindicated
- Bosentan + Glyburide-metformin Contraindicated
- Bosentan + Lonafarnib Contraindicated
- Bosentan + Sparsentan Contraindicated
- Artemether / lumefantrine + Bosentan Major
Other interactions of Treprostinil
Frequently asked questions
Can I take Bosentan with Treprostinil?
MediHelp rates the interaction as minor. Bosentan and Treprostinil have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Both drugs are used for pulmonary arterial hypertension and are often combined deliberately. Additive vasodilation can increase the risk of hypotension, flushing and headache.
How serious is the interaction between Bosentan and Treprostinil?
MediHelp rates it minor, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor blood pressure and symptoms of vasodilation when starting or titrating either drug. Dose adjustment is rarely needed.
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.
