Cap/Dispersible tab Adult & childn ≥20 kg 250-500 mg 8 hrly.
Childn <20 kg 20-40 mg/kg 8 hrly in divided doses.
Syr Childn >8 kg 125-250 mg 8 hrly.
Paed drops All indications except infections of lower resp tract,
Childn ≤6 mth 6-8 kg 0.5-1 mL 8 hrly,
≤6 kg 0.25-0.5 mL 8 hrly.
Infections of lower resp tract Childn ≤6 mth 6-8 kg 1-1.5 mL 8 hrly,
≤6 kg 0.5-1 mL 8 hrly.
Powd for inj Adult 250-500 mg IM 8 hrly. 500 mg-1 g IV/infusion 6 hrly in severe infections.
Childn 35-100 mg/kg/day IM in divided doses or up to 100 mg/kg/day IV/infusion in divided doses 6 hrly over 30-min infusion.
Typhoid & paratyphoid fever Adult 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 min of 1 mth.
Gonorrhea Single dose of 3 g + 1 g probenecid.
Uncomplicated UTI Single dose of 3 g.
Syphilis 250 mg 6 hrly for 4 wk up to 5 mth.
Severe or recurrent lower resp tract infection 3 g twice daily.
Dental abscess 3 g twice daily 8 hrly.
Otitis media Adult & childn 3-10 yr 750 mg 2 times daily for 2 days.