Tachycardia can be present reflecting fever as well as dehydration secondary to the viral illness. ![]() On physical exam, lung auscultation may be significant for wheezing pneumonia should be suspected when rales, rhonchi, or egophony are appreciated. High-grade fevers in the setting of acute bronchitis are unusual and further diagnostic workup is required. A low-grade fever may be present as well. A prodrome of upper respiratory infection (URI) symptoms like runny nose, sore throat, fever, and malaise are common. Paroxysms of cough accompanied by inspiratory whoop or post-tussive emesis should raise concerns for pertussis. The median duration of cough after acute bronchitis is 18 days. Cough after acute bronchitis typically persists for 10 to 20 days but occasionally may last for 4 or more weeks. Purulent sputum does not correlate with bacterial infection or antibiotic use. Usually, their cough is the predominant complaint and the sputum is clear or yellowish, although sometimes it can be purulent. Patients with acute bronchitis present with a productive cough, malaise, difficulty breathing, and wheezing. When the infection is bacterial, the isolated pathogens are usually the same as those responsible for community-acquired pneumonia, for example, Streptococcus pneumonia and Staphylococcus aureus. In some people, acute bronchitis can be triggered by particular allergens like pollens, perfume, and vapors. The common pathogens are respiratory syncytial virus, influenza virus A and B, parainfluenza, rhinovirus, and other similar viruses.įactors like a history of smoking, living in a polluted place, crowding, and a history of asthma, are all risk factors for acute bronchitis. It can follow any viral upper respiratory infection (URI). In the United States, flu season is common during autumn and winter. Like most of the viral diseases of the respiratory tract, acute bronchitis is commonly seen during the flu season. It is estimated that every year, 5% of the general population reports an episode of acute bronchitis, accounting for more than 10 million office visits yearly. ![]() Acute bronchitis is one of the common presentations in any healthcare setting.
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