Moxifloxacin is an antibiotic belongs to 3rd group of fluoroquinolones. Fluoroquinolones are potent bactericidal agents against E. coli and various species of Salmonella, Shigella, Enterobacter, Campylobacter and Neisseeria, it has excellent activity against S. pneumoniae. Moxifloxacin is used in respiratory tract infections, in urinary tract infectionsand in bone and soft tissue infections.