| 摘要 |
<p>A preventive for respiratory infectious diseases, containing as the active ingredient carbocysteine represented by the following chemical formula (1). It is expected that this preventive serves as a drug capable of preventing infectious diseases in the pre-infective step of respiratory infection, i.e., the step of the adhesion of bacteria to the respiratory tract and thus contributes to the reduction of acute exacerbation frequency in patients with chronic diseases and to the prevention of bacterial infection in those with immune depression, thereby inhibiting the increase in insensible bacteria caused by the frequent use of antimicrobials.</p> |
