In general, coughing up blood in sputum may be a harbinger of rhinitis, acute pharyngolaryngitis, bronchial-pulmonary diseases and other diseases.
1. Rhinitis: The nasal mucosa may rupture and bleed, so the blood in the nasal cavity refluxes into the throat and is discharged through coughing, resulting in the phenomenon of blood in sputum.
2. Acute pharyngolaryngitis: due to the stimulation of inflammation, the mucous membrane of the pharynx ruptures and bleeds, which mixes with the sputum to form the phenomenon of blood in sputum.
3. Bronchial-lung diseases: such as bronchitis, bronchodilatation, tuberculosis, lung abscess, lung cancer and other diseases, can lead to bronchial mucosal rupture bleeding, thus causing the phenomenon of blood in sputum.
In addition, coughing with blood in the sputum can also be seen in other diseases, it is recommended that the patient consult a doctor in a timely manner, improve the rhinoscopy, laryngoscopy, lung CT and bronchoscopy and other related examinations, in order to determine the cause of the symptoms of the disease and treatment.