1 cap every 8 hr. Enteric fever: Typhoid & paratyphoidAdult 4 g daily in divided doses for 14-21 days. Childn 100 mg/kg/day in divided doses for 14-21 days. Typhoid carrier states 3-4 g daily in divided doses for a min of 1 mth. Gonorrhea 3 g daily as a single dose.