Question: for how long does bronchitis last?
Answer: It lasts up to 3 weeks. It can affect people of all ages, but mostly happens in children under the age of 5. It's more common in winter and often comes on after a common cold, sore throat or the flu. Chronic bronchitis is a daily productive cough that lasts for 3 months of the year and for at least 2 years in a row.