There are two types of bronchitis:
Acute bronchitis usually comes on quickly and gets better after 2 to 3 weeks. Most healthy people who get acute bronchitis get better without any problems. See a picture of acute bronchitis camera.
Chronic bronchitis keeps coming back and can last a long time, especially in people who smoke. Chronic bronchitis means you have a cough with mucus most days of the month for 3 months of the year for at least 2 years in a row.
This topic focuses on acute bronchitis. Both children and adults can get acute bronchitis.