What is Obliterative Bronchiolitis?

What is obliterative bronchiolitis?

Obliterative bronchiolitis refers to an inflammatory condition that that affects the smallest airways of the lung.


Symptoms of this disease may get worse and worse over weeks or months. Common symptoms include:

  • Dry cough
  • Shortness of breath
  • Fatigue
  • Wheezing


Inhaled chemicals may result in obliterative bronchiolitis conditions because the materials are toxic and may irritate the lungs. There are several common causes:

  • Breathing in toxic fumes
  • respiratory infections
  • connective tissue disorder following transplant surgeries


Although the obliterative bronchiolitis is irreversible, treatment can keep the conditions from getting worse.

Based on the underlying causes of the conditions, doctors may choose different treatment methodst help the patients.

Patients are often prescribed with some types of antibiotics, corticosteroids, and immunosuppressive drugs. And under severe situations, lung transplantation may also be considered.

Keywords: obliterative bronchiolitis; symptoms; causes; treatment

* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.