Sputum in the form of brown sticky lumps may be caused by bleeding in the nasopharyngeal area, smoking, lung infection, lung cancer, mitral stenosis, bronchial dilatation combined with infection, tuberculosis and so on.
1. Bleeding in the nasopharyngeal area, especially in people with a history of chronic diseases such as pharyngitis and rhinitis, because the mucous membrane is more fragile, it is easy to bleed, and with the discharge of sputum, it shows as brown sticky lumps.
2. Smoking, especially long-term heavy smokers, due to the influence of tobacco resulting in trachea and bronchial mucosa can be attached to the black or brown material, after shedding with the sputum discharge of such symptoms.
3. Lung infection, bacterial or viral infection can cause bleeding in the lungs, and bacteria can also make sputum discolored, which is also one of the common causes.
4. Lung cancer, chronic bleeding can occur, and sputum mixed with blood will appear as brown sticky lumps.
5. Mitral valve stenosis, which can cause pulmonary edema, and pulmonary edema can appear sputum color change, is also a common cause.
6. Bronchodilatation combined with infection, the existence of bronchodilatation of the underlying disease, combined with lung infection, can lead to sputum viscous, while the bronchial mucosal injury can lead to bleeding, sputum for the performance of the brown viscous lumps.
7. Tuberculosis, hemoptysis is a typical symptom of tuberculosis, blood can be mixed with sputum, resulting in sputum as brown sticky lumps.
It is recommended to consult a doctor in time for examination to clarify the cause of the disease, and at the same time, follow the doctor’s instructions for treatment.