Shellbactum 1.5 injection is used in the treatment of bacterial infections. Shellbactum 1.5 injection is a combination of two medicine: cefoperazone and sulbactam. Cefoperazone is third-generation cephalosporin antibiotic used in the treatment of infections of skin and skin structures, respiratory tract, urinary tract, gynecological infections including gonorrhea, intraabdominal infections, and septicemia caused by susceptible microorganisms. It is not recommended for use in patients who are allergic to cephalosporins or penicillins. Sulbactam is beta-lactamase inhibitor which reduces resistance and enhance the activity of cefoperazone against bacteria.