Why Productive Cough in Pneumonia?

The symptoms of pneumonia are caused by inflammation of the lungs due to infection or irritation. In response, the lungs produce excessive amounts of thick phlegm, which must be coughed up in order to keep the airways open for effective breathing.

Why does pneumonia cause a productive cough?

Pneumonia. A lung infection -- which is what pneumonia is -- can make your air sacs fill up with fluid or pus. You may cough up a lot of green or yellow mucus. It may have blood in it.

Does pneumonia have a productive cough?

Symptoms of pneumonia may include: Fever. Chest pain. Productive cough (may be described as a "moist" or "wet" cough)