Hypersensitivity Pneumonitis
Alternate Names : Bird Breeder's Lung, Extrinsic Allergic Alveolitis, Farmer's Lung, Humidifier or Air-Conditioner Lung, Mushroom Picker's Disease
DefinitionHypersensitivity pneumonitis is an inflammation in the lungs caused by exposure to an allergen (foreign substance), usually organic dust. This dust may come from animal dander, molds, or plants.
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