IM/IV Adult & childn >12 yr 1-2 g once daily.
Severe case or infection caused by moderately sensitive organism May increase dose to 4 g once daily.
Gonorrhoea (penicillase- & nonpenicillinase-producing strains) 250 mg IM as single dose.
Peri-op prophylaxis 1-2 g as single dose depending on risk of infection to be given 30-90 prior to surgery.
Childn weighing ≥50 kg Adult dose. Infuse over at least 30 min.
Infant & childn 15 days to 12 yr 20-80 mg/kg once daily.
Neonate ≤14 days 20-50 mg/kg once daily. Max daily dose: 50 mg/kg.