PediRounds

Oseltamivir — paediatric dose

Weight-based dosing for Oseltamivir in children. Category: Antifungal/Antiviral.

Dose3 mg/kg 12H (≤1 yr); weight-band dosing >1 yr
Per kg3 mg/kg
Maximum75 mg
RoutePO
Frequency12H

Clinical notes

Influenza.

Common questions

What is the dose of Oseltamivir in children?

3 mg/kg 12H (≤1 yr); weight-band dosing >1 yr. That is 3 mg/kg per dose.

What is the maximum Oseltamivir dose for a child?

The maximum single dose is 75 mg. Weight-based calculation should never exceed this ceiling.

How is Oseltamivir given?

Oseltamivir is given by PO, 12H.

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.