Drug interactions
Amlodipine-benazepril + Potassium phosphates
Severity: Major
Amlodipine-benazepril and Potassium phosphates: major interaction.
Last updated Sources: US FDA label
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
Intravenous potassium phosphates deliver a rapid potassium load, and benazepril limits renal potassium excretion. Hyperkalemia with cardiac arrhythmias can result, particularly with renal impairment.
What this interaction means in plain words
Amlodipine-benazepril and Potassium phosphates can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for.
Why it happens
ACE inhibitor-induced aldosterone suppression reduces potassium excretion, adding to the potassium load.
What to do
Monitor serum potassium and ECG as appropriate during replacement and use conservative infusion rates. Check renal function and adjust or stop infusion if potassium is high.
What to ask your pharmacist
- Does the benefit of taking both outweigh the risk in my case?
- Do I need any blood test, ECG or other check while on both?
- What early warning signs should I watch for, and what should I do if they appear?
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References
Other interactions of Amlodipine-benazepril
- Aliskiren + Amlodipine-benazepril Contraindicated
- Amlodipine-benazepril + Sacubitril / valsartan Contraindicated
- Aldesleukin + Amlodipine-benazepril Major
- Amifostine + Amlodipine-benazepril Major
- Amiloride + Amlodipine-benazepril Major
- Amlodipine-benazepril + Azilsartan Major
Frequently asked questions
Can I take Amlodipine-benazepril with Potassium phosphates?
MediHelp rates the interaction as major. Amlodipine-benazepril and Potassium phosphates can interact in a way that may be serious. Using them together is sometimes necessary, but it needs a deliberate decision by the prescriber, a plan for monitoring, and clear advice on the warning signs to watch for. Intravenous potassium phosphates deliver a rapid potassium load, and benazepril limits renal potassium excretion. Hyperkalemia with cardiac arrhythmias can result, particularly with renal impairment.
How serious is the interaction between Amlodipine-benazepril and Potassium phosphates?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor serum potassium and ECG as appropriate during replacement and use conservative infusion rates. Check renal function and adjust or stop infusion if potassium is high.
What other medicines interact with Amlodipine-benazepril?
MediHelp also lists interactions of Amlodipine-benazepril with, for example, Aliskiren, Sacubitril / valsartan, Aldesleukin. The full list is on the Amlodipine-benazepril page.
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