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Drug interactions

Naproxen + Torsemide

Severity: Moderate

Naproxen and Torsemide: moderate 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 can reduce the diuretic and antihypertensive effect of loop diuretics by causing sodium and water retention. In volume-depleted patients the combination also raises the risk of acute kidney injury.

What this interaction means in plain words

Naproxen and Torsemide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.

Naproxen belongs to Musculoskeletal; Torsemide belongs to Cardiovascular.

Evidence level: Moderate

Why it happens

NSAID inhibition of renal prostaglandins reduces renal blood flow and natriuretic response to loop diuretics.

What to do

Monitor weight, blood pressure, edema and serum creatinine when naproxen is used with torsemide. Avoid prolonged NSAID use in heart failure and renal impairment.

What to ask your pharmacist

  • Should I take them at different times of day?
  • Does the dose of either medicine need to change?
  • Is there anything I should avoid, such as alcohol or certain foods, while on both?

Bring a full list of your medicines, including over-the-counter products, supplements and herbal remedies, to every pharmacy visit.

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Frequently asked questions

Can I take Naproxen with Torsemide?

MediHelp rates the interaction as moderate. Naproxen and Torsemide can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. NSAIDs can reduce the diuretic and antihypertensive effect of loop diuretics by causing sodium and water retention. In volume-depleted patients the combination also raises the risk of acute kidney injury.

How serious is the interaction between Naproxen and Torsemide?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor weight, blood pressure, edema and serum creatinine when naproxen is used with torsemide. Avoid prolonged NSAID use in heart failure and renal impairment.

What other medicines interact with Naproxen?

MediHelp also lists interactions of Naproxen with, for example, Ketorolac intranasal, Ketorolac, Aceclofenac. The full list is on the Naproxen page.

Full monographs, dosing and an interaction checker in the MediHelp app

Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.

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