Drug interactions
Conivaptan + Fluticasone
Severity: Moderate
Conivaptan and Fluticasone: moderate 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
Conivaptan is a CYP3A4 inhibitor and could raise fluticasone exposure. Because conivaptan is used only short term in hospital, the practical risk is limited.
What this interaction means in plain words
Conivaptan and Fluticasone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Why it happens
Conivaptan inhibits CYP3A4, reducing fluticasone metabolism.
What to do
Monitor for systemic corticosteroid effects during the short course; no routine dose change is needed.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Fluticasone
Frequently asked questions
Can I take Conivaptan with Fluticasone?
MediHelp rates the interaction as moderate. Conivaptan and Fluticasone can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Conivaptan is a CYP3A4 inhibitor and could raise fluticasone exposure. Because conivaptan is used only short term in hospital, the practical risk is limited.
How serious is the interaction between Conivaptan and Fluticasone?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor for systemic corticosteroid effects during the short course; no routine dose change is needed.
What other medicines interact with Fluticasone?
MediHelp also lists interactions of Fluticasone with, for example, Atazanavir, Clarithromycin, Cobicistat. The full list is on the Fluticasone page.
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