IM/IV Adult 1-2 g once daily. Max: 4 g daily.
Lower resp tract infection 1 g IV 12 or 24 hrly.
Uncomplicated gonorrhea 250 mg IM as a single dose.
Pelvic inflammatory disease 250 mg IM as a single dose.
Surgical prophylaxis 1 g IV as a single dose w/in 2 hr surgery.
Orthopedic surgery 2 g IV as a single dose 2 hr pre-op.
Meningitis 2 g IV 12 hrly.
Infant & childn ≤12 yr Mild to moderate infection 50-75 mg/kg body wt once daily. Max: 2 g daily.
Severe infection 100 mg/kg body wt once daily. Max: 4 g daily. Duration of therapy: 4-14 days.
Acute otitis media 50 mg/kg body wt IM or IV as a single dose. Max: 1 g.
Hepatic & renal impairment Max: 2 g daily.