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Bronchiolitis obliterans

Other Names for this Disease
  • Obliterative bronchiolitis
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Bronchiolitis obliterans is an inflammatory obstruction of the lung's tiniest airways, the bronchioles. The bronchioles may become damaged and inflamed after inhalation of toxic fumes, as a result of respiratory infections, in association with connective tissue disorders, or after bone marrow or heart-lung transplants. This leads to extensive scarring that blocks the airways, leading to a dry cough, shortness of breath, fatigue and wheezing in the absence of a cold or asthma. While there is no way to reverse the disease, treatments are available to stabilize or slow the progression.[1]  

Another similarly named disease, bronchiolitis obliterans organizing pneumonia, is a completely different disease.[1]

Last updated: 10/1/2012


  1. Bronchiolitis Obliterans. National Jewish Health Web site. May 2012; Accessed 10/1/2012.
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