Cryptogenic organizing pneumonia (COP) is a form of interstitial lung disease where the small airways (bronchioles) and alveoli (tiny air sacs) become inflamed, leading to difficulty breathing and flu-like illness.
— Read at www.lung.org/lung-health-diseases/lung-disease-lookup/cryptogenic-organizing-pneumonia/learn-about-cryptogenic-organizing-pneumonia
What Causes COP?
The condition is called “cryptogenic” because in most cases, the cause is unknown. Doctors believe that there are many possible causes including radiation therapy, exposure to certain chemicals, exposure to birds, post respiratory infections, as a side-effect of organ transplantation or as a side effect from taking certain medications. COP has also been associated with lung abscesses, lung cancer and lymphoma