Sexually transmitted diseases, Susceptible infections
Adult: 1.5 g daily in divided doses, up to 3 g/day initially for severe infections.
Child: 30-100 mg/kg/day.
Child: 30-100 mg/kg/day.
Oral
Gonorrhoea
Adult: 2.5 g/day for 1-2 days. Alternatively, 2.5 g on the 1st day followed by 2 g/day on each of 4 subsequent days.