Drug interactions
Tolvaptan + Triamcinolone acetonide injectable
Severity: Minor
Tolvaptan and Triamcinolone acetonide injectable: 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
Triamcinolone is a CYP3A4 substrate with only weak, uncertain inducing effects, so a meaningful reduction in tolvaptan levels is not established. Any effect is likely small.
What this interaction means in plain words
Tolvaptan and Triamcinolone acetonide injectable have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised.
Why it happens
Possible weak CYP3A4 induction; the mechanism is not well established.
What to do
No routine adjustment is needed. Monitor serum sodium if the response to tolvaptan appears reduced.
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 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 Tolvaptan with Triamcinolone acetonide injectable?
MediHelp rates the interaction as minor. Tolvaptan and Triamcinolone acetonide injectable have a small, usually unimportant interaction. Most people can take both; the pharmacist may still mention it so that any unexpected effect is recognised. Triamcinolone is a CYP3A4 substrate with only weak, uncertain inducing effects, so a meaningful reduction in tolvaptan levels is not established. Any effect is likely small.
How serious is the interaction between Tolvaptan and Triamcinolone acetonide injectable?
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 adjustment is needed. Monitor serum sodium if the response to tolvaptan appears reduced.
What other medicines interact with Tolvaptan?
MediHelp also lists interactions of Tolvaptan with, for example, Atazanavir, Ceritinib, Cobicistat. The full list is on the Tolvaptan page.
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