Adult & childn ≥5 yr 50 mg/kg daily & may be increased to 60 mg/kg daily in 4-6 divided doses.
Childn <5 yr 50 mg/kg daily & may be increased to 100 mg/kg daily in 4-6 divided doses depending on severity of disease. Duration of therapy:
Short acute viral infection Continue treatment for 1-2 days after symptoms subside.
Long acute viral infection Continue treatment for 1-2 wk after symptoms subside.