Chronic Bronchitis: Causes, Symptoms, Treatment and More

4- Infections:

Infections can somehow cause chronic bronchitis. When you get a common cold or other respiratory illness, they cause inflammation and severe irritation of your airways. If the infection is not properly treated, it can lead to chronic bronchitis. People whose immunity is compromised are especially vulnerable and so are those with chronic illnesses, who are at a higher risk of developing chronic bronchitis from infections.