Is cough a lung problem?

Cough is a lung problem, lung problems may generally cause cough, and cough is not entirely a lung problem. Because cough has a variety of causes, generally more common causes are upper respiratory tract infection, pharynx inflammation, pharyngitis, tracheitis, bronchitis, allergic cough, lung infection, tuberculosis, chronic bronchitis, smoking, environmental pollution, etc., these reasons can cause cough, so cough is not entirely a lung problem, lung disease is a cause of cough, not the only one. It is suggested that patients who show cough should check these items such as blood routine examination, chest X-ray, lung CT, erythrocyte sedimentation rate, C-reactive protein, tuberculin test, tumor markers, etc. to clarify the specific causes of cough and treat them according to the etiology.