Can I Take These?

Can You Take Ibuprofen and Spironolactone Together?

Spironolactone's FDA label has a dedicated NSAID section warning that ibuprofen and other NSAIDs can raise potassium and reduce spironolactone's effectiveness.

Use cautionEvidence: High

See the full Ibuprofen page and Spironolactone page for other reviewed interactions and reference information.

What the interaction means

Spironolactone's FDA prescribing information has a section titled "7.3 Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)": "In some patients, the administration of an NSAID can reduce the diuretic, natriuretic, and antihypertensive effect of diuretics... when spironolactone tablets and NSAIDs are used concomitantly, monitor closely." Section 7.1, "Drugs and Supplements Increasing Serum Potassium," also lists NSAIDs. Ibuprofen's own FDA label corroborates from the ibuprofen side: "Ibuprofen tablets can reduce the natriuretic effect of furosemide and thiazides in some patients, a response attributed to inhibition of renal prostaglandin synthesis."

Why it may happen

NSAIDs like ibuprofen inhibit renal prostaglandin synthesis, which can blunt spironolactone's diuretic, natriuretic, and antihypertensive effects and, because spironolactone is also potassium-sparing, contribute to elevated serum potassium.

Practical context

Spironolactone's label explicitly recommends monitoring closely when NSAIDs and spironolactone are used together. Anyone taking spironolactone for blood pressure, fluid management, or hormonal purposes who also uses ibuprofen regularly should discuss this with the prescriber, since both reduced spironolactone efficacy and elevated potassium are possible.

What the sources say

Ibuprofen Tablets, USP — FDA Prescribing Information — Ascend Laboratories, LLC (via DailyMed, U.S. National Library of Medicine)Spironolactone Tablets — FDA Prescribing Information — Sun Pharmaceutical Industries, Inc. (via DailyMed, U.S. National Library of Medicine)

Last reviewed 2026-08-24

Medical information disclaimer: this information is general and educational. It does not diagnose conditions, prescribe treatment, or determine whether a combination is safe for you personally. Follow your prescription label and ask a pharmacist or clinician before starting, stopping, or combining products. Full disclaimer.

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