Adult & childn >12 yr 1-2 g IV daily as single or 2 divided doses.
Uncomplicated gonorrhea 250 mg IM daily as single dose.
Surgical prophylaxis 1 g IV as single dose over 30-90 min before surgery.
Childn <12 yr Skin & soft tissue infections & other serious infections 50-75 mg/kg daily in 2 divided doses.
Meningitis 100 mg/kg daily in 2 divided doses.