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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:
When this happens, the bronchial tubes swell and produce mucus. This makes you cough. There are two types of bronchitis: 1  Acute bronchitis usually comes on quickly and gets better after 2 to 3 weeks. 2  Chronic bronchitis keeps coming back and can last a long time, especially in people who smoke.