Adult 2-4 g daily in 1:1 ratio in equally divided doses 12 hrly.
Severe or refractory infections May be increased up to 8 g of the 1:1 ratio. Patient may require additional cefoperazone administered separately. Administer 12 hrly in equally divided doses. Sulbactam max daily dose: 4 g.
Childn 40-80 mg/kg daily in 1:1 ratio 6-12 hrly in equally divided doses.
Serious or refractory infections May be increased up to 160 mg/kg daily in 2-4 equally divided doses.
Neonate in 1st wk of life Given 12 hrly, max: 80 mg/kg daily of sulbactam dose.
Intermittent infusion 1 g/20 mL administered for >15-60 min.
IV inj 1 g/20 mL administered for at least 3 min.