Abstract
Organs which otolaryngology cover, and a respiratory system can be caught with the concept of one airway. Incorrect swallowing of the secretion of a nasal cavity and the pharynx are main courses to which a pathogenic organ reaches to lungs. In addition, the three major infecting organisms of acute otitis media are Haemophilus influenzae, Streptococcus penumoniae, and Staphylococcus aureus. These three major infecting organisms are the same as the three major infecting organisms of the secondary bacterial pneumonia which merges from influenza virus infection. Moreover, S. penumoniae and H. influenzae are important as an infecting organism of upper respiratory tract infection and pneumonia which is the infection of alveoli located in the end of airway. It becomes possible to apply the knowledge (especially trend of resistant bacteria) acquired from this by respiratory tract infection to otolaryngology infection. Since S. penumoniae are main infecting organisms also in otolaryngology organ infection, when choosing new quinolones, it is necessary to certainly choose respiratory quinolones.
