What are the symptoms of bad lungs? Baidu knows medical health.

Disease analysis: Hello: Common symptoms of lung problems: cough (high metallic sound), expectoration (acute infection with thick sputum) and hemoptysis with blood in sputum (manifested as expiratory dyspnea and inspiratory dyspnea). Lung diseases in different parts have different manifestations, but all of them are chronic cough and asthma in the early stage, and the lung infection is not sustainable. It is recommended to go to the hospital for sputum examination and chest X-ray to make sure the disease is treated.