PediRounds

Spironolactone — paediatric dose

Weight-based dosing for Spironolactone in children. Category: Fluid/Electrolyte.

Dose1-3 mg/kg/day
Per kg1–3 mg/kg
RoutePO
Frequencydaily/divided

Clinical notes

Potassium-sparing diuretic; monitor potassium.

Common questions

What is the dose of Spironolactone in children?

1-3 mg/kg/day. That is 1–3 mg/kg per dose.

How is Spironolactone given?

Spironolactone is given by PO, daily/divided.

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.