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Drug interactions

Furosemide + Nefazodone

Severity: Moderate

Furosemide and Nefazodone: 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

Furosemide and antidepressants that affect serotonin, including nefazodone, can each cause hyponatremia. Together they may increase the risk of low serum sodium, particularly in elderly patients.

What this interaction means in plain words

Furosemide and Nefazodone 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.

Evidence level: Low

Why it happens

Additive hyponatremia from diuretic-induced renal sodium loss and antidepressant-associated SIADH-type effects.

What to do

Check serum sodium at baseline and after starting combined therapy, especially in older adults, and reassess therapy if sodium falls or symptoms appear.

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 Furosemide with Nefazodone?

MediHelp rates the interaction as moderate. Furosemide and Nefazodone 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. Furosemide and antidepressants that affect serotonin, including nefazodone, can each cause hyponatremia. Together they may increase the risk of low serum sodium, particularly in elderly patients.

How serious is the interaction between Furosemide and Nefazodone?

MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Check serum sodium at baseline and after starting combined therapy, especially in older adults, and reassess therapy if sodium falls or symptoms appear.

What other medicines interact with Furosemide?

MediHelp also lists interactions of Furosemide with, for example, Amifostine, Amikacin, Carbenoxolone. The full list is on the Furosemide page.

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

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