What is the difference between bronchitis and pneumonia?

What is the difference between bronchitis and pneumonia?

Richard Sheldon (Medical Advisor to the CA State Respiratory Care Board) gives expert video advice on: How is bronchitis usually treated?; Should I take antibiotics for bronchitis?; What is the difference between bronchitis and pneumonia? and more...

The difference between bronchitis and pneumonia is one of position within the lung where the inflammatory process has now moved past the bronchi, down into the meat of the lung and has now infected the lung substance itself, not the conducting tubules. In that case then, you have pneumonia and these are for the most part, on the average, a little more difficult and a little more dangerous than is bronchitis.