Drug interactions
Bosentan + Vinblastine
Severity: Minor
Bosentan and Vinblastine: 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 vinblastine is metabolized by CYP3A. Induction could lower vinblastine exposure and possibly reduce efficacy.
What this interaction means in plain words
Bosentan and Vinblastine 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; Vinblastine belongs to Oncology.
Why it happens
Bosentan induction of CYP3A4 may increase hepatic metabolism of vinblastine.
What to do
No routine dose change is needed; monitor treatment response if the combination is unavoidable.
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?
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Other interactions of Vinblastine
Other interactions of Bosentan
- Bosentan + Cyclosporin Contraindicated
- Bosentan + Glibenclamide Contraindicated
- Bosentan + Glyburide-metformin Contraindicated
- Bosentan + Lonafarnib Contraindicated
- Bosentan + Sparsentan Contraindicated
- Artemether / lumefantrine + Bosentan Major
Frequently asked questions
Can I take Bosentan with Vinblastine?
MediHelp rates the interaction as minor. Bosentan and Vinblastine 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 vinblastine is metabolized by CYP3A. Induction could lower vinblastine exposure and possibly reduce efficacy.
How serious is the interaction between Bosentan and Vinblastine?
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 routine dose change is needed; monitor treatment response if the combination is unavoidable.
What other medicines interact with Vinblastine?
MediHelp also lists interactions of Vinblastine with, for example, Adenovirus types 4 and 7 live, Apalutamide, Atazanavir. The full list is on the Vinblastine page.
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