Coughing up blood in sputum may be caused by respiratory diseases such as tuberculosis, digestive diseases such as gastric ulcer, cardiovascular diseases such as mitral stenosis and other factors.
1. Respiratory diseases: respiratory infections, tumors and other factors may lead to bronchial mucosal damage, patients coughing with blood in sputum symptoms, common diseases are bronchiectasis, tuberculosis, lung cancer and so on.
2. Digestive system diseases: Helicobacter pylori infection, esophagogastric varices and other factors can cause gastrointestinal bleeding, a small amount of bleeding may be discharged with the sputum, resulting in symptoms of blood in sputum.
3. Cardiovascular diseases: diseases such as pulmonary hypertension, pulmonary embolism and hypertension may cause blood vessels to rupture, and blood may be discharged with the sputum after the capillaries rupture.
There are many causes of blood in cough sputum, and patients are advised to seek timely medical treatment.