Bronchitis was called "coughing and asthma" in ancient China because it is a respiratory disease based on long-term recurring exacerbations and aggravated infections. So will bronchitis cause coughing up blood? Although the main symptoms of chronic bronchitis can generally be summarized in four words, namely cough, phlegm, wheezing, and inflammation. But I won't cough up blood, which is considered to be caused by bronchiectasis. The main symptoms of bronchitis: 1. Acute: the onset can be acute or slow. Most of them first have upper respiratory tract infection symptoms such as runny nose, nasal congestion, fever, sore throat, etc., and may suddenly develop more and deeper dry coughs. Later, bronchial secretions will gradually appear, and the amount of sputum will gradually increase. Infants and young children will not cough up sputum and have frequent menstrual cramps. Swallow in the pharynx. 2. Chronic: The main symptoms of chronic can generally be summarized in four words, namely cough, phlegm, asthma and inflammation. Cough is mostly caused by congestion and edema of the bronchial mucosa, and the accumulation of secretions in the lumen stimulates the cough receptors in the mucosa. It is usually more obvious after getting up in the morning and before going to bed at night. This disease generally does not cause symptoms of hemoptysis. Usually bloody sputum (sputum with blood streaks and blood clots) may have the following conditions: 1. Sputum with bright red blood streaks, which is more common in tuberculosis or bronchiectasis, and sometimes when there is inflammation in the pharynx. This phenomenon can occur. 2. Black bloody sputum is more common in pulmonary infarction. 3. Coughing up bloody frothy sputum, which can be seen in pulmonary edema. 4. If there is blood in the sputum for a long time or is accompanied by chest pain, fatigue, or weight loss, you should be alert to bronchial lung cancer. Because the causes are complex, symptomatic treatment is required. And try to avoid drinking drinks containing caffeine and alcohol, because these drinks have a diuretic effect and cause body fluids to be consumed too quickly. At the same time, eat more radish tea and apricot pear tea. If your cough is keeping you awake, there's a way to relieve it. Try raising your pillow by 20 centimeters and sleeping on your side. It prevents mucus accumulation and prevents irritating acidic substances in the stomach from flowing back into the esophagus and being aspirated.