AND
For children ≥40 Kg: 200 mg IV q24h x1, then 100mg IV q24h x 4 days
For children <40 Kg: 5mg/kg/dose IV x1, then 2.5 mg/kg/dose IV q24h x 4 d
For infants <3.5 Kg: 2.5mg/kg/dose IV x1, then 1.25mg/kg/dose IV q24h x 4 d
*For patients on high-flow oxygen (ie oxygen by face mask, high-flow nasal cannula, or non-invasive mechanical ventilation)