Coughing with phlegm all the time for two or three months may be due to a variety of reasons, commonly such as pneumonia, bronchiectasis, lung cancer, etc.
1. Pneumonia: Pneumonia is mainly caused by bacterial, viral and other pathogenic infections, symptoms manifested in coughing, coughing up sputum, shortness of breath, fatigue, and sore throat and other symptoms, if the inflammation can not be controlled in time, it will result in coughing for two or three months with sputum all the time.
2. Bronchial dilatation: bronchial dilatation causes include bronchial obstruction, genetic factors and respiratory tract infections, etc., after the disease is likely to lead to repeated coughing and a large amount of pus sputum, etc., untimely treatment will lead to coughing for two or three months has been sputum.
3. Lung cancer: Especially for old people with smoking history, chronic cough with or without sputum should be alerted to the possibility of lung cancer. Early symptoms of lung cancer are not typical, and can be manifested as non-specific respiratory symptoms, such as coughing, coughing up sputum and so on.
Early symptoms of lung cancer are not typical, and it can be manifested as non-specific respiratory symptoms, such as coughing and coughing up sputum. Coughing up sputum all the time for two to three months may also be caused by other reasons, such as chronic obstructive pulmonary disease, which requires timely medical treatment.