Coughing, with or without mucus, is the predominant symptom of acute bronchitis. The cough usually lasts 10–20 days but may last up to 4 weeks, even after resolution of the primary infection itself. Chest discomfort, nasal congestion, mild shortness of breath, malaise, headache, and fatigue are other common symptoms.[1]
What are the main signs and symptoms of acute bronchitis?
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•Last Updated: May 16, 2025
The main symptom of acute bronchitis is coughing, which can occur with or without mucus and typically lasts 10 to 20 days and potentially extends up to 4 weeks. Other common symptoms include chest discomfort, nasal congestion, mild shortness of breath, malaise, headache, and fatigue.