PediRounds

Fentanyl — paediatric dose

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

Dose1–2 mcg/kg slow IV
Per kg1–2 mcg/kg
Maximum100 mcg
RouteIV
Frequencytitrate

Clinical notes

Chest-wall rigidity with rapid high dose. RSI 1–5 mcg/kg.

Common questions

What is the dose of Fentanyl in children?

1–2 mcg/kg slow IV. That is 1–2 mcg/kg per dose.

What is the maximum Fentanyl dose for a child?

The maximum single dose is 100 mcg. Weight-based calculation should never exceed this ceiling.

How is Fentanyl given?

Fentanyl is given by IV, titrate.

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.