Drug interactions
Amiloride + Atenolol
Severity: Moderate
Amiloride and Atenolol: 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 can modestly raise serum potassium by impairing cellular uptake, adding to the potassium retention caused by amiloride. Hyperkalemia is uncommon but possible in renal impairment or diabetes.
What this interaction means in plain words
Amiloride and Atenolol 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.
Amiloride belongs to Cardiovascular; Atenolol belongs to Cardiovascular.
Why it happens
Non-selective or beta-1 blockade reduces beta-2-mediated cellular potassium uptake and renin release, adding to amiloride's renal potassium retention.
What to do
Monitor serum potassium and renal function, particularly at initiation and in high-risk patients.
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 Amiloride
- Amiloride + Eplerenone Contraindicated
- Amiloride + Spironolactone Contraindicated
- Amiloride + Triamterene Contraindicated
- Aceclofenac + Amiloride Major
- Acemetacin + Amiloride Major
- Amiloride + Amlodipine-benazepril Major
Other interactions of Atenolol
- Amifostine + Atenolol Major
- Amiodarone + Atenolol Major
- Atenolol + Atenolol-chlorthalidone Major
- Atenolol + Betaxolol Major
- Atenolol + Bisoprolol Major
- Atenolol + Carvedilol Major
Frequently asked questions
Can I take Amiloride with Atenolol?
MediHelp rates the interaction as moderate. Amiloride and Atenolol 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 can modestly raise serum potassium by impairing cellular uptake, adding to the potassium retention caused by amiloride. Hyperkalemia is uncommon but possible in renal impairment or diabetes.
How serious is the interaction between Amiloride and Atenolol?
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, particularly at initiation and in high-risk patients.
What other medicines interact with Amiloride?
MediHelp also lists interactions of Amiloride with, for example, Eplerenone, Spironolactone, Triamterene. The full list is on the Amiloride page.
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