More than 3 million bronchitis cases occur every year, and bronchitis can lead to more severe health problems when left untreated or not treated quickly and effectively. Our AFC Urgent Care Farragut team provides some additional information you need to know about bronchitis below, so read on! What Causes Bronchitis? There are two types of bronchitis, acute and chronic, and they’re caused by different things. Acute bronchitis is typically viral, and is caused by ...