What are the early symptoms of pneumoconiosis?

The early symptoms of pneumoconiosis, pneumoconiosis is in occupational activities for a long time inhaled productive dust, causing it to stay in the lungs, causing diffuse fibrosis of lung tissue, resulting in such a disease. If the protective measures or the state of the body are very good, it will contribute to the occurrence of this pneumoconiosis. After pneumoconiosis occurs, it will cause repeated cough, expectoration, dyspnea and even respiratory failure, especially in the late stage of pneumoconiosis. However, most of the symptoms of early pneumoconiosis patients are not obvious. With the development of the disease, some people will show cough and expectoration, and if there is corresponding occupational contact, they will show such cough and expectoration symptoms. Timely medical treatment, regular chest X-ray lung function examination, etc., to help early clarification.