Furosemide and Naproxen: Drug Interaction Guide
Quick answer: This combination requires caution. Furosemide and Naproxen can be used together with adjustments and monitoring.
How Furosemide interacts with Naproxen
Naproxen inhibits renal prostaglandin synthesis, reducing renal perfusion and blunting the natriuretic and antihypertensive effects of furosemide while increasing acute kidney injury risk.
What you should do
Use the lowest effective NSAID dose for the shortest duration and monitor renal function, blood pressure, body weight, and diuretic response.
Key facts
Severity
Moderate — caution required
Mechanism
Naproxen inhibits renal prostaglandin synthesis, reducing renal perfusion and blunting the natriuretic and antihypertens...
Action
Use the lowest effective NSAID dose for the shortest duration and monitor renal function, blood pressure, body weight, a...
Frequently asked questions
Can I take Furosemide and Naproxen together?
With caution. Use the lowest effective NSAID dose for the shortest duration and monitor renal function, blood pressure, body weight, and diuretic response.
What is the severity of this interaction?
The interaction between Furosemide and Naproxen is classified as Moderate — caution required. Naproxen inhibits renal prostaglandin synthesis, reducing renal perfusion and blunting the natriuretic and antihypertensive effects of furosemide while increasing acute kidney injury risk.
What should I do if I'm prescribed both?
Use the lowest effective NSAID dose for the shortest duration and monitor renal function, blood pressure, body weight, and diuretic response. Always consult your prescribing clinician — do not stop or change medications without medical guidance.
Last reviewed: by iMedic Medical Editorial Team. Our editorial process.