The recommended adult dosage is 1.5 g to 3 g every six hours. It may be administered intravenously.
This 1.5 to 3 g range represent the total of ceftriaxone/500 mg sulbactam to 2 g ceftriaxone/1 g sulbactam to 1 g sulbactam. For children with body weights of 50 kg or more, the usual adult dosage should be used.