Paediatric

Influenza prophylaxis

For neonatal exposure, discuss with Paeds ID.

Preferred

Oseltamivir po, see dosing table, for 10 days

Age

Oseltamivir prophylaxis dose

Infants under 12 months

(36 weeks post conceptional age or greater)

3mg/kg OD (max. per dose 30mg)

1–12 years (less than or equal to 15kg)

30mg OD

1–12 years (more than 15kg to 23kg)

45mg OD

1–12 years (more than 23kg to 40kg)

60mg OD

1–12 years (more than 40kg)

75mg OD

13 years and over (upto 40kg)

60mg OD

13 years and over (more that 40kg)

75mg OD

Dosing in Renal impairment: Discuss with pharmacist

If the patient is unable to have oseltamivir: Discuss with Paeds ID

Editorial Information

Last reviewed: 19 Dec 2025

Approved By: AMST