Rash, skin reactions, fever, eosinophilia, urticaria, and pruritus. Haematological - Slight decreases in Hb conc and haematocrit value. GI effects, diarrhoea or loose stools, nausea, and vomiting. Mild, transient elevations of serum SGOT, SGPT, and alkaline phosphatase concentrations. Renal effects - Transient elevations in BUN and serum creatinine concentrations.Cefoperazone, a bactericidal antibiotic, inhibits bacterial cell wall synthesis of actively dividing cells by binding to one or more penicillin binding proteins (PBPs). Sulbactam is a ÃŽÂ²-lactamase inhibitor and acts primarily by irreversible inactivation of ÃŽÂ²-lactamases.