Drug interactions
Pindolol + Spironolactone
Severity: Moderate
Pindolol and Spironolactone: 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
Beta-blockers such as pindolol can slightly impair cellular potassium uptake. With spironolactone, which retains potassium, this may contribute to hyperkalemia in at-risk patients such as those with renal impairment or diabetes.
What this interaction means in plain words
Pindolol and Spironolactone 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
Spironolactone reduces renal potassium excretion while beta-blockade reduces beta-2 mediated cellular potassium uptake, giving additive effects on serum potassium.
What to do
Monitor serum potassium and renal function at baseline and regularly during combined therapy. Adjust or stop spironolactone if hyperkalemia develops.
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 Spironolactone
- Amiloride + Spironolactone Contraindicated
- Eplerenone + Spironolactone Contraindicated
- Spironolactone + Triamterene Contraindicated
- Abiraterone + Spironolactone Major
- Aceclofenac + Spironolactone Major
- Acemetacin + Spironolactone Major
Frequently asked questions
Can I take Pindolol with Spironolactone?
MediHelp rates the interaction as moderate. Pindolol and Spironolactone 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. Beta-blockers such as pindolol can slightly impair cellular potassium uptake. With spironolactone, which retains potassium, this may contribute to hyperkalemia in at-risk patients such as those with renal impairment or diabetes.
How serious is the interaction between Pindolol and Spironolactone?
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 serum potassium and renal function at baseline and regularly during combined therapy. Adjust or stop spironolactone if hyperkalemia develops.
What other medicines interact with Spironolactone?
MediHelp also lists interactions of Spironolactone with, for example, Amiloride, Eplerenone, Triamterene. The full list is on the Spironolactone page.
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