Infections for respiratory pathogens (e.g. S. pyogenes, S. pneumoniae, M. catarrhalis, C. trachomatis, Legionella sp., Mycoplasma pneumoniae, S. aerus, and H. influenzae); C. pneumoniae and M. avium infection; uncomplicated chlamydial urethritis, cervicitis or pharyngitis; alternative drug for multi-drug resistant Salmonella typhi infection outside the Central Nervous System (CNS).