The causes of coughing up white sputum are chronic bronchitis, chronic pharyngitis and lung tumor.
1. Chronic bronchitis: long-term smoking history, chronic non-specific inflammation of the bronchial mucosa, manifested by repeated coughing, coughing up phlegm, often in the early morning coughing up a large amount of white sputum, combined with the infection may have yellow sputum.
2. Chronic pharyngitis: long-term pathogenic microorganisms, environmental stimuli can make the mucous membrane of the pharynx chronic non-specific inflammation can occur, there can be a variety of discomfort in the throat, such as dryness, sore throat, coughing, coughing, brushing teeth, etc., but also long-term coughing white sputum.
3. Lung tumors: when lung tumors on the local alveoli, airway compression, secretions will increase, can appear irritating cough, cough white sputum, usually sputum with blood, often need surgery, chemotherapy and other means of treatment.
There are many causes of coughing up white sputum for a long time, you need to consult the hospital in time to clarify the cause of the disease and choose the appropriate treatment plan.