At the end of a really bad cold, you’re ready to get on with
your life. But something else is brewing.
Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy
After an upper airway infection, your lower airways are more
vulnerable. Viruses or bacteria may overwhelm your immune defenses. That’s when
bronchitis or pneumonia can strike.
Pulmonologist Leslie Tolle, MD, outlines the difference between pneumonia and bronchitis below.