Drug interactions
Celiprolol + Tolvaptan
Severity: Minor
Celiprolol 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
Tolvaptan may increase serum potassium, and beta-blockers such as celiprolol can slightly reduce cellular potassium uptake. Together they could add to hyperkalemia risk, particularly in renal impairment.
What this interaction means in plain words
Celiprolol 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.
Why it happens
Additive tendency to raise serum potassium through impaired beta-adrenergic cellular uptake and tolvaptan's effect on potassium.
What to do
Monitor serum potassium in patients with renal impairment or other hyperkalemia risks. No routine dose change is 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?
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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 Celiprolol with Tolvaptan?
MediHelp rates the interaction as minor. Celiprolol 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. Tolvaptan may increase serum potassium, and beta-blockers such as celiprolol can slightly reduce cellular potassium uptake. Together they could add to hyperkalemia risk, particularly in renal impairment.
How serious is the interaction between Celiprolol 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: Monitor serum potassium in patients with renal impairment or other hyperkalemia risks. No routine dose change is needed.
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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