Coughing up lumpy phlegm may be caused by dry air, respiratory infections (e.g., colds, pneumonia), etc.
1. Dry air: prolonged exposure to dry air causes loss of moisture in the airways, which makes phlegm sticky and coughs up lumpy phlegm.
2. Respiratory infections: mainly due to infections, mostly due to viruses, bacteria, mycoplasma, chlamydia and other factors, so that the airway congestion, edema, as well as inflammatory secretion exudation, resulting in increased airway secretion and epithelial shedding, and the airway is in a relatively dry situation, making sputum become viscous, coughing up sputum in the form of chunks can occur.
Coughing up sputum into lumps may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination, clarify the cause of the disease, under the guidance of the doctor for standardized treatment.