Bronchiolitis obliterans organizing pneumonia (BOOP) is a relatively nonspecific term used to describe a particular pattern of lung injury. A variety of factors may trigger this condition, including viral infections, inhalation of toxic gases, drugs, connective tissue disorders, radiation therapy, cocaine, inflammatory bowl disease, and HIV infection. In many cases, no trigger can be identified. Most triggers are not contagious, and the ones that are (e.g., respiratory syncytial virus, cytomegalovirus, HIV infection) are very rarely associated with BOOP.
Last updated: 2/16/2016
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