Drug interactions
Ibuprofen + Spironolactone
Severity: Major
Ibuprofen and Spironolactone: major 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
NSAIDs reduce the natriuretic and antihypertensive effect of spironolactone and impair potassium excretion. The combination raises the risk of hyperkalemia and acute kidney injury, especially in elderly, diabetic or renally impaired patients and those also taking ACE inhibitors or ARBs.
What this interaction means in plain words
Ibuprofen and Spironolactone 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.
Ibuprofen belongs to Musculoskeletal; Spironolactone belongs to Cardiovascular.
Why it happens
NSAID inhibition of renal prostaglandins reduces renal blood flow and renin-aldosterone signalling, adding to spironolactone's potassium retention.
What to do
Avoid regular NSAID use where possible. If needed, check serum potassium and creatinine at baseline and within the first week or so, and monitor blood pressure and fluid status.
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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Other interactions of Ibuprofen
- Ibuprofen + Ketorolac Contraindicated
- Ibuprofen + Ketorolac intranasal Contraindicated
- Acemetacin + Ibuprofen Major
- Alteplase + Ibuprofen Major
- Amiloride + Ibuprofen Major
- Apixaban + Ibuprofen Major
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 Ibuprofen with Spironolactone?
MediHelp rates the interaction as major. Ibuprofen and Spironolactone 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. NSAIDs reduce the natriuretic and antihypertensive effect of spironolactone and impair potassium excretion. The combination raises the risk of hyperkalemia and acute kidney injury, especially in elderly, diabetic or renally impaired patients and those also taking ACE inhibitors or ARBs.
How serious is the interaction between Ibuprofen and Spironolactone?
MediHelp rates it major, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Avoid regular NSAID use where possible. If needed, check serum potassium and creatinine at baseline and within the first week or so, and monitor blood pressure and fluid status.
What other medicines interact with Ibuprofen?
MediHelp also lists interactions of Ibuprofen with, for example, Ketorolac, Ketorolac intranasal, Acemetacin. The full list is on the Ibuprofen page.
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