Acute bronchitis is inflammation of the tracheobronchial tree, commonly following an upper respiratory infection in the absence of chronic lung disorders. The cause is almost always a viral infection. The pathogen is rarely identified. The most common symptom is cough, with or without fever, and possibly sputum production.

2024年7月31日 · Acute bronchitis, which often develops from a cold or other respiratory infection, is very common. Also called a chest cold, acute bronchitis usually improves within a week to 10 days without lasting effects, although the cough may linger for weeks.

People with acute bronchitis usually complain of acute cough with or without sputum production, and signs of lower respiratory tract infection in the absence of chronic lung disease, such as chronic obstructive pulmonary disease, or an identified cause, such as pneumonia or sinusitis.

2016年10月1日 · Acute bronchitis is most often caused by a viral infection. 3, 4 The most commonly identified viruses are rhinovirus, enterovirus, influenza A and B, parainfluenza, coronavirus, human...

Acute bronchitis is usually caused by a viral infection. This is most often the same viruses that cause colds and the flu. It may also be caused by a bacterial infection, or by physical or chemical agents that are breathed in.

2024年7月21日 · Acute bronchitis is manifested by cough and, occasionally, sputum production that last for no more than 3 weeks. Although bronchitis should not be treated with antimicrobials, it is frequently...

Acute bronchitis is a lower respiratory tract infection involving the large airways (bronchi), without evidence of pneumonia, that occurs in the absence of chronic obstructive pulmonary disease.

Acute bronchitis is usually caused by a viral upper respiratory tract infection. Symptoms are a cough that may or may not produce mucus (sputum). The diagnosis is based primarily on symptoms.

2024年5月17日 · Acute bronchitis is an acute inflammation of the large airways of the lower respiratory tract wherein the pulmonary parenchyma is not affected. Viral acute bronchitis can develop into a secondary bacterial superinfection. Acute bronchitis is a very common disease.

Acute bronchitis can be caused by contagious pathogens, most commonly viruses. Typical viruses include respiratory syncytial virus, rhinovirus, influenza, and others. Bacteria are uncommon pathogens but may include Mycoplasma pneumoniae, Chlamydophila pneumoniae, Bordetella pertussis, Streptococcus pneumoniae, and Haemophilus influenzae. [17]