The sputum is clear with bubbles i.e. white foamy sputum. Coughing white foamy sputum can be seen in a variety of diseases, such as viral colds, chronic bronchitis, chronic obstructive pulmonary disease and so on.
1. Viral cold: It is a virus-induced infection of the upper respiratory tract, mainly caused by viral infections, induced by climate change and other factors. The main symptoms can be manifested as running watery nose, coughing white foamy sputum and so on.
2. Chronic bronchitis: a chronic non-specific inflammation, can be caused by infection, immune function decline and other factors. The main symptoms can be manifested as coughing and wheezing, coughing white foamy sputum.
3. Chronic Obstructive Pulmonary Disease (COPD): a lung disease that causes respiratory distress due to restricted airflow, which can be caused by factors such as genetics and smoking. The main symptoms may be repeated cough, shortness of breath, cough white foamy sputum.
If coughing white foamy sputum may have other causes, you should go to the hospital in time, relevant examination, in order to clarify the cause of the disease, and actively cooperate with the doctor’s treatment.