Dry cough chest pain is a common symptom of respiratory system diseases, such as: tuberculosis, bronchitis, pneumonia, lung cancer, etc., and should be promptly consulted to identify the cause. 1. Tuberculosis: After infection with tuberculosis, it is easy to cause pleural effusion, and the involvement of pleura can cause chest pain. Tuberculosis is usually accompanied by dry cough, and chest pain can be caused when the chest wall muscles are pulled by a strong dry cough. 2. Bronchitis: patients with bronchitis may also have a dry cough, and chest pain of varying degrees may occur when the chest wall muscles are pulled when the cough is aggravated. 3. Pneumonia: the symptom of pneumonia is often cough, and when the condition is aggravated, the inflammatory exudation increases, which sometimes leads to pleural effusion and chest pain, and dyspnea and respiratory distress may occur when the lesion is large in scope. 4. Lung cancer: In the early stage, it is irritating dry cough, and if the tumor invades the chest wall, it will lead to chest pain. Chest pain often worsens when breathing and coughing. The causes of dry cough and chest pain are complicated, and the causes of the same symptom may be different for different people, so do not make blind judgment on your own, but consult a doctor in time to improve the examination and timely treatment, so as to avoid the formation of chronic cough.