Bronchitis and pneumonia are both lung-related illnesses, but they aren’t the same thing. Bronchitis is an infection of the bronchial tubes leading to the lungs, while pneumonia is an infection of the alveoli, the little air sacs in the lungs. Our AFC Urgent Care Monroe Road team provides other helpful facts about bronchitis and pneumonia below, so keep reading! What Causes Bronchitis? There are two types of bronchitis: acute and chronic. Acute bronchitis is ...