The term "bronchiolitis" generally refers to inflammation of the bronchioles.<unk>  is classified as a form of "primary bronchiolitis", which means that the underlying cause of bronchiolitis is originating from or is confined to the bronchioles. Along with<unk> , additional forms of primary bronchiolitis include bronchiolitis obliterans, follicular bronchiolitis, respiratory bronchiolitis, mineral dust airway disease, and a number of others. Unlike<unk> , bronchiolitis that is not considered "primary" would be associated with diseases of the larger airways, such as chronic bronchitis.
Diffuse panbronchiolitis
Emphysema
Acute eosinophilic pneumonia
Plastic bronchitis
Cryptogenic organizing pneumonia
Eosinophilic bronchitis
Hypersensitivity pneumonitis
Mineral dust airway disease