Treatment of infectionAdult & childn >40 kg Usual dosage: Severe infections: 875 mg 12 hrly or 500 mg 3 times daily. Childn <40 kg 125 mg 3 times daily. More severe infections: 250 mg 3 times daily. Gonorrhea 3 g as single dose. Renal impairment: Adult & childn >40 kg Mild (CrCl >30 mL/min) No change in dose. Moderate (CrCl 10-30 mL/min) Max: 500 mg twice daily. Severe (CrCl <10 mL/min) Max: 500 mg daily. Ped suspSevere or recurrent otitis mediaChildn 3-10 yr 750 mg twice daily for 2 days as an alternative course of treatment.