375-750 mg bid. Uncomplicated gonorrhea
2.25 g w/ probenecid 1 g. Inj Adult
1.5-3 g 6 hrly. Acute pelvic inflammatory disease
3 g 6 hrly in conjunction w/ doxycycline (100 mg 12 hrly by oral or IV). Parenteral regimen may be discontinued 24 hr after clinical improvement; oral doxycycline should be continued to complete the 14 days of therapy. Childn ≥1 yr
300 mg/kg daily by IV infusion in equally divided doses 6 hrly; ≥1 mth Mild to moderate infection
100-150 mg/kg daily in 4 divided doses.