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Most cases of acute bronchitis go away in 2 to 3 weeks, but some may last 4 weeks. Home treatment to relieve symptoms is usually all that you need. Here are some things you can try that may help you feel better:
There are several types of bronchitis: 1  Acute bronchitis can last for up to 90 days. 2  Chronic bronchitis can last for months or sometimes years. 3  Infectious bronchitis usually occurs in the winter due to viruses, including the influenza virus.