PediRounds

Diazepam — paediatric dose

Weight-based dosing for Diazepam in children. Category: Sedation.

DoseIV 0.1–0.3 mg/kg; PR 0.5 mg/kg
Per kg0.1–0.3 mg/kg
Maximum10 mg
RouteIV

Clinical notes

Max 10 mg. Seizures if no IV access → rectal.

Common questions

What is the dose of Diazepam in children?

IV 0.1–0.3 mg/kg; PR 0.5 mg/kg. That is 0.1–0.3 mg/kg per dose.

What is the maximum Diazepam dose for a child?

The maximum single dose is 10 mg. Weight-based calculation should never exceed this ceiling.

How is Diazepam given?

Diazepam 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.