Perennial cough with white sputum may be caused by chronic bronchitis, chronic obstructive pulmonary disease, chronic laryngitis and other diseases.
1. Chronic bronchitis: chronic non-specific inflammation of the trachea, bronchial mucosa and its surrounding tissues. Clinical mainly with cough, cough sputum, wheezing as the main symptoms, the onset of the disease lasts more than 3 months each year, continuous episodes of 2 years or more than 2 years, and exclude other diseases. It can cause perennial cough with white sputum.
2. Chronic Obstructive Pulmonary Disease (COPD): It is a disease characterized by persistent airflow limitation, which is mainly manifested by chronic cough, sputum, shortness of breath or dyspnea, wheezing, chest tightness and other symptoms. It can also cause perennial cough with white sputum.
3. Chronic pharyngolaryngitis: refers to chronic inflammation of the laryngeal mucosa and vocal cords. The main manifestations are hoarseness, cough, sputum, dryness of the throat, foreign body sensation, burning sensation and other symptoms. It can also cause perennial cough with white sputum.
There are many other causes of perennial cough with white sputum, which should be taken seriously, timely consultation, identify the cause of the disease, and follow the medical advice for further treatment or therapy.