Causes And Risk Factors Of Hypersensitivity Pneumonitis

Hypersensitivity pneumonitis, also known as extrinsic allergic alveolitis, is a syndrome of the respiratory system that impacts the terminal bronchioli, lung parenchyma, alveolar interstitium, and the alveoli. It is the result of a delayed allergic reaction that is usually derivative from prolonged and consistent inhalation of numerous kinds of dust or other substances suspended in the air. An individual with hypersensitivity pneumonitis has become over responsive and sensitized to the substances or chemical they have been inhaling.