Adult: Lower resp tract infection (pneumonia, bronchopneumonia), complicated upper & lower UTI (pyelonephritis), skin & soft tissue infections, intra-abdominal infections (peritonitis, biliary tract infections), severe or complicated gynecology infections, septicemia, empiric therapy in febrile neutropenia. Childn (2 mth–16 yr): Severe pneumonia, empiric therapy in febrile neutropenia.