• respiratory tract infections • long lasting or recurring ear or sinus infections • urinary tract infections • infections of the testicles • genital organ infections in women • gastro-intestinal tract infections and intra-abdominal infections • skin and soft tissue infections • bone and joint infections • to treat infections in patients with a very low white blood cell count (neutropenia) • to prevent infections in patients with a very low white blood cell count (neutropenia) • anthrax inhalation exposure