Oseltamivir
Infants & Children

Infants & Children

Treatment Dosing

3 months to 11 months of age

3 mg/kg/dose PO bid

Children 12 months of age or Older
Weight Treatment Prophylaxis
≤15 kg 30 mg/dose PO bid 30 mg/dose PO daily
>15 kg to ≤23 kg 45 mg/dose PO bid 45 mg/dose PO daily
>23 kg to ≤40 kg 60 mg/dose PO bid 60 mg/dose PO daily
More than 40 kg 75 mg/dose PO bid 75 mg/dose PO daily
Duration

Routine treatment duration is 5 days

Extended durations may be considered in severe disease

Considerations for Initiating Oseltamivir

Antiviral treatment should be initiated as soon as suspected or confirmed influenza disease

Antiviral treatment should be initiated regardless of duration of symptoms in any child hospitalized for influenza disease

Prophylaxis Dosing

Prophylaxis (≥3 months to <12 months)

3 mg/kg/dose PO daily