Ace Inhibitors and Spironolactone: Drug Interaction Guide
Quick answer: This combination requires caution. Ace Inhibitors and Spironolactone can be used together with adjustments and monitoring.
How Ace Inhibitors interacts with Spironolactone
Both agents reduce renal potassium excretion through angiotensin-aldosterone axis interference, producing additive hyperkalaemia, particularly in renal impairment.
What you should do
Check serum potassium and creatinine within 1-2 weeks of initiation and periodically thereafter; avoid concurrent potassium supplements and NSAIDs.
Key facts
Severity
Moderate — caution required
Mechanism
Both agents reduce renal potassium excretion through angiotensin-aldosterone axis interference, producing additive hyper...
Action
Check serum potassium and creatinine within 1-2 weeks of initiation and periodically thereafter; avoid concurrent potass...
Frequently asked questions
Can I take Ace Inhibitors and Spironolactone together?
With caution. Check serum potassium and creatinine within 1-2 weeks of initiation and periodically thereafter; avoid concurrent potassium supplements and NSAIDs.
What is the severity of this interaction?
The interaction between Ace Inhibitors and Spironolactone is classified as Moderate — caution required. Both agents reduce renal potassium excretion through angiotensin-aldosterone axis interference, producing additive hyperkalaemia, particularly in renal impairment.
What should I do if I'm prescribed both?
Check serum potassium and creatinine within 1-2 weeks of initiation and periodically thereafter; avoid concurrent potassium supplements and NSAIDs. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.