Hypertonic saline 3% — paediatric dose
Weight-based dosing for Hypertonic saline 3% in children. Category: Fluid/Electrolyte.
| Dose | 3–5 mL/kg over 10–20 min |
|---|---|
| Per kg | 3–5 mL/kg |
| Maximum | 250 mL |
| Route | IV |
Clinical notes
Raised ICP / symptomatic hyponatraemia. Monitor Na+ rise.
Common questions
What is the dose of Hypertonic saline 3% in children?
3–5 mL/kg over 10–20 min. That is 3–5 mL/kg per dose.
What is the maximum Hypertonic saline 3% dose for a child?
The maximum single dose is 250 mL. Weight-based calculation should never exceed this ceiling.
How is Hypertonic saline 3% given?
Hypertonic saline 3% is given by IV.
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.