Infections of the resp tract, middle ear (otitis media), paranasal sinuses (sinusitis) especially caused by gm -ve organisms including Pseudomonas or Staphylococcus, eyes, kidneys, urinary tract, genital organs including adnexitis, gonorrhoea & prostatitis; abdominal cavity (eg, bacterial infections of GIT, biliary tract, peritonitis); skin & soft tissue, bones & joints, septicaemia.