PediRounds

Furosemide (frusemide) — paediatric dose

Weight-based dosing for Furosemide (frusemide) in children. Category: Fluid/Electrolyte.

Dose0.5–1 mg/kg/dose
Per kg0.5–1 mg/kg
Maximum40 mg
RouteIV
Frequencyprn

Clinical notes

Max 40 mg/dose (higher in renal failure). Ototoxic if rapid.

Common questions

What is the dose of Furosemide (frusemide) in children?

0.5–1 mg/kg/dose. That is 0.5–1 mg/kg per dose.

What is the maximum Furosemide (frusemide) dose for a child?

The maximum single dose is 40 mg. Weight-based calculation should never exceed this ceiling.

How is Furosemide (frusemide) given?

Furosemide (frusemide) is given by IV, prn.

About this page

Compiled from standard paediatric references. Verify against a current formulary and your local protocol.

Spotted something wrong? Report an error on this page — corrections from clinicians are welcome and are reviewed before any change is published.

Last reviewed 2026-08-12.