Can acute bronchitis cause coughing up blood?

Written by Liu Jing Jing

Pulmonology

Updated on January 11, 2025

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Acute bronchitis can potentially lead to coughing up blood. This is because acute bronchitis involves the infection of the bronchi by pathogens such as viruses, bacteria, and mycoplasma, leading to congestion and swelling of the airway mucosa. Patients often exhibit symptoms such as coughing, expectoration, and fever. If coughing is severe, it could rupture small blood vessels, causing symptoms of coughing up blood. If blood is present in the cough, hemostatic treatment is needed. However, not all instances of coughing up blood are due to acute bronchitis. Other possible causes of coughing up blood include lung tumors, pneumonia, tuberculosis, and pulmonary embolism. Therefore, if symptoms of coughing up blood occur, chest X-rays or a chest CT scan should be conducted to confirm the diagnosis.

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Written by Han Shun Li

Pulmonology

1min 1sec

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Is acute bronchitis asthma?

Acute bronchitis and bronchial asthma, although both are bronchial disorders, are not the same disease; acute bronchitis is not asthma. Acute bronchitis is an acute inflammation of the bronchial mucosa caused by various pathogenic factors, with common symptoms being fever, cough, and expectoration. Some patients may also experience chest tightness and wheezing. Treatment primarily involves antibiotics and cough suppressants with expectorants. Asthma, on the other hand, is characterized by chronic inflammation of the airways, high reactivity, and widespread variable reversible airflow limitation, with clinical manifestations mainly including recurrent episodes of wheezing, shortness of breath, chest tightness, or coughing. Treatment primarily involves bronchodilators such as theophylline, receptor agonists, and anti-inflammatory medications represented by corticosteroids, thus the treatments also differ.

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Written by Wang Chun Mei

Pulmonology

46sec

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Is acute bronchitis prone to recurrence?

Acute bronchitis is often due to the patient's low immune function, accidental exposure to cold or getting rained on, leading to an acute onset of bronchitis, causing clinical symptoms like fever, cough, sputum production, dyspnea, and wheezing. In clinical practice, acute bronchitis generally heals within about a week after timely and effective anti-infective treatment, cough suppression, expectoration facilitation, and asthma relief. Bronchitis is divided into acute bronchitis and chronic bronchitis. Acute bronchitis, generally after effective symptomatic treatment such as anti-infection, is not likely to recur frequently if the patient has a relatively good immune function.

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Written by Han Shun Li

Pulmonology

54sec

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Can you exercise with acute bronchitis?

Common symptoms of acute bronchitis include coughing and expectoration. Some patients may experience chest tightness and shortness of breath. It is generally advised to rest during the illness period, as exercise is not recommended. Exercise increases lung capacity and the volume of air entering and leaving the airways, which can directly stimulate the respiratory tract, leading to worsened symptoms such as coughing and chest tightness. Additionally, after physical activity, the consumption of oxygen increases, which may lead to breathing through the mouth. This means the air bypasses the nasal cavity's filtering and warming, directly irritating the respiratory tract and exacerbating the symptoms of acute bronchitis. Therefore, it is advised to rest and avoid exercise, especially high-intensity activities, during an episode of acute bronchitis.

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Written by Han Shun Li

Pulmonology

1min 16sec

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How to treat acute bronchitis?

Acute bronchitis is an acute inflammation of the bronchi caused by various pathogenic factors and is relatively common in clinical practice. Symptoms mainly include coughing, production of sputum, and some patients may experience chest tightness, shortness of breath, fever, and blood in the sputum. For initial instances of acute bronchitis, it is important to first ensure rest, increase fluid intake, avoid fatigue, and avoid exposure to cold. Secondly, symptomatic treatment should be considered; cough suppressants can be used for coughs that are dry or produce little sputum, and expectorants should be used when the cough produces sputum that is difficult to expel. If there is chest tightness and wheezing, asthma medications should be chosen. If fever is present, antipyretic and analgesic medications should be used for symptomatic treatment. Thirdly, the use of antibiotics is appropriate only when there is evidence of bacterial infection; otherwise, it is best to avoid them. Treatment with antibiotics should be under a doctor's guidance, and self-medication should be avoided. With the above treatments, acute bronchitis can generally be controlled, but a minority of patients with weaker constitutions may develop chronic conditions.

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Written by Han Shun Li

Pulmonology

48sec

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Is acute bronchitis pneumonia?

The bronchi are the organs through which air enters and exits the lungs. The bronchi and lungs are two separate organs, so inflammation occurring in the bronchi is not the same as inflammation occurring in the lungs. Thus, acute bronchitis is not pneumonia, but both conditions can exhibit similar symptoms, such as fever, coughing, and expectoration. So how do we differentiate between acute bronchitis and pneumonia? Clinically, when such symptoms appear, doctors usually recommend a lung X-ray. If the lung X-ray appears normal, or there is only an increase or thickening of lung markings, the doctor will diagnose acute bronchitis. If the lung X-ray shows imaging signs of inflammatory exudation or shadows, then the doctor will diagnose pneumonia.