IV/IM Adult 2-4 g daily in equally divided doses every 12 hr. Max sulbactam dose: 4 g daily.
Severe or refractory infections May be increased up to 8 g daily.
Childn 40-80 mg/kg daily in equally divided doses every 6-12 hr.
Serious or refractory infections May be increased up to 160 mg/kg daily in 2-4 equally divided doses.
Neonates 1 wk Max sulbactam dose: Not to exceed 80 mg/kg daily in every 12 hr.
Impaired renal function CrCl 15-30 mL/min Sulbactam 1 g every 12 hr. Max dose: Sulbactam 2 g daily,
<15 mL/min Sulbactam 500 mg every 12 hr. Max dose: Sulbactam 1 g daily.