A respiratory system and chest symptom that is characterized by an inflammation of lung tissue. Pneumonia is one type of pneumonitis caused by an infection. Many other factors can cause pneumonitis, including breathing in animal dander, inhaling small food particles 'down the wrong pipe' and receiving radiation therapy to your chest. [ url:http://en.wikipedia.org/wiki/Pneumonitis ]
Term information
A respiratory system and chest symptom that is characterized by an inflammation of lung tissue. Pneumonia is one type of pneumonitis caused by an infection. Many other factors can cause pneumonitis, including breathing in animal dander, inhaling small food particles 'down the wrong pipe' and receiving radiation therapy to your chest.