<unk>  results in worsening shortness of breath, wheezing, and a dry cough. The symptoms can start gradually, or severe symptoms can occur suddenly. These symptoms represent an obstructive pattern that is non-reversible with bronchodilator therapy, and need to be related to various lung insults. These insults include inhalation damage, post transplant auto-immune injury, post-infectious disease, drug reactions, and several auto-immune diseases.
Bronchiolitis obliterans
Asthma
Diffuse panbronchiolitis
Emphysema
Mineral dust airway disease
Eosinophilic bronchitis
Plastic bronchitis
Pulmonary hyalinizing granuloma