Perioperative Adult 1 - 2g. , IV 1/2 -1 hr. prior to the surgery , then 1-2 g 6 hrly dor 24-48 hr
Child > 3 mth 50-100 mg/kg/day in divided doses.
C/I :Hypersensitivity to cephalosporins.
S/P: Renal impairment . penicillin-sensitive patients. History of GI disease (colitis). Superinfection.