Well, what's the reason for the tightness?

Hello, cough is a basic clinical manifestation of respiratory tract infection, which can be manifested in many diseases, such as upper respiratory tract infection, bronchitis, acute and chronic pharyngitis, lung infection caused by various inflammations, pneumoconiosis and silicosis, respiratory system tumors, mediastinal tumors, cardiovascular system diseases and so on. Upper respiratory tract infection and pharyngitis are the most common causes of dry cough, which can be treated with drugs such as Kekuaihao and Kebiqing. If you don't get better after treatment, you should go to the hospital for a systematic examination. Hello; We should be alert to the possibility of myocardial ischemia and myocardial strain. It is suggested to check myocardial zymogram and electrocardiogram. You can also ask Chinese medicine for a specific diagnosis, which may be due to chest obstruction, qi stagnation and other reasons.