Coughing at 12 p.m. has the following reasons: 1, acute respiratory infections: may be seen in acute respiratory infections caused by a number of diseases, let’s say colds, acute tracheobronchitis, lung infections, acute pharyngitis and so on. 2, sub-acute or chronic cough: can also be seen in some sub-acute or chronic cough, let’s say the cough after the infection, or cough variant asthma, gastroesophageal reflux cough, variant cough, eosinophilic bronchitis, etc. 3, chronic respiratory disease: of course, can also be seen in some chronic respiratory disease, chronic bronchitis, chronic obstructive pulmonary disease. Cough, variant cough, eosinophilic bronchitis, etc. 3, chronic respiratory diseases: of course, can also be seen in some chronic respiratory diseases, let’s say chronic bronchitis, chronic obstructive pulmonary disease, interstitial lung disease, bronchiectasis, etc., can be seen at 12:00 p.m. coughing symptoms. If it is an acute respiratory infectious disease, different drugs are used to treat different pathogenic microorganisms. For example, antiviral drugs are used for viral infections, antibiotics are used for bacterial infections, macrolides are used for atypical pathogens such as mycoplasma and chlamydia, and quinolone antibiotics are used for adults over 18 years of age. If it is a chronic respiratory disease, it can be treated with traditional Chinese medicine. If the cough is subacute or chronic, different drugs are used for treatment according to different diseases. For example, if it is gastroesophageal reflux cough, acid-suppressing drugs such as famotidine can be used; if it is post-infectious cough, anti-allergic drugs can be used; and if it is cough-variant asthma, hormones sprayed orally can generally be used. If it is a variant cough, it can usually be treated with hormones or anti-allergic drugs. If it is eosinophilic bronchitis, it can usually be treated with oral spray or oral anti-inflammatory hormones.