Drug interactions
Budesonide + Tolvaptan
Severity: Minor
Budesonide and Tolvaptan: 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
Budesonide is not a clinically relevant CYP3A4 inducer, so reduced tolvaptan exposure is not expected. The interaction is theoretical.
What this interaction means in plain words
Budesonide and Tolvaptan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Budesonide belongs to Respiratory; Tolvaptan belongs to Endocrine.
Why it happens
No established mechanism; budesonide has negligible CYP3A4 induction.
What to do
No dose change is needed. Monitor serum sodium as routine for tolvaptan.
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 Budesonide
Other interactions of Tolvaptan
- Atazanavir + Tolvaptan Contraindicated
- Ceritinib + Tolvaptan Contraindicated
- Cobicistat + Tolvaptan Contraindicated
- Conivaptan + Tolvaptan Contraindicated
- Darunavir + Tolvaptan Contraindicated
- Idelalisib + Tolvaptan Contraindicated
Frequently asked questions
Can I take Budesonide with Tolvaptan?
MediHelp rates the interaction as minor. Budesonide and Tolvaptan have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Budesonide is not a clinically relevant CYP3A4 inducer, so reduced tolvaptan exposure is not expected. The interaction is theoretical.
How serious is the interaction between Budesonide and Tolvaptan?
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 dose change is needed. Monitor serum sodium as routine for tolvaptan.
What other medicines interact with Budesonide?
MediHelp also lists interactions of Budesonide with, for example, Aldesleukin, Atazanavir, Bcg vaccine live. The full list is on the Budesonide page.
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