Chest tightness, dry cough is how to return a responsibility

Chest tightness and dry cough are mostly caused by respiratory diseases, such as bronchitis, pharyngitis, asthma, pneumonia, cold, tuberculosis, variant asthma, etc. It is recommended that patients see a doctor in time, through chest CT, X-ray, blood routine examination, etc., to clarify the cause of treatment under the guidance of a doctor.