Adult Usual dose: 250 mg every 8 hr.
Bronchitis & pneumonia 250 mg tid.
Sinusitis 500 mg tid for 10 days.
More severe infection (eg, pneumonia) or infection caused by less susceptible organisms Dose may be doubled. Max: 4 g/day.
Acute gonococcal urethritis 3 g as a single dose combined w/ probenecid 1 g.
Childn Recommended dose: 20 mg/kg/day in divided doses every 8 hr.
Bronchitis & pneumonia 20 mg/kg/day in divided doses tid.
Serious infection, sinusitis, otitis media & infection caused by less susceptible organisms 40 mg/kg/day in divided doses. Max: 1 g/day.