PediRounds

Metronidazole — paediatric dose

Weight-based dosing for Metronidazole in children. Category: Antibiotic.

Dose7.5 mg/kg 8H
Per kg7.5 mg/kg
Maximum500 mg
RouteIV/PO
Frequency8H

Clinical notes

Anaerobes. Max 500 mg/dose.

Common questions

What is the dose of Metronidazole in children?

7.5 mg/kg 8H. That is 7.5 mg/kg per dose.

What is the maximum Metronidazole dose for a child?

The maximum single dose is 500 mg. Weight-based calculation should never exceed this ceiling.

How is Metronidazole given?

Metronidazole is given by IV/PO, 8H.

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.