Bronchitis: Acute and Chronic Distinguished
Acute bronchitis is almost always viral; antibiotics do not shorten its course.
Healthlife Editorial Team
Medical writers
Cough lasting up to 3 weeks after a cold is typical. Chronic bronchitis (cough with sputum > 3 months/year for 2 years) is often part of COPD.
Warning signs
High fever, breathlessness, chest pain, or symptoms > 3 weeks warrant investigation.
Persistent cough in a smoker deserves chest imaging to exclude cancer.
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