After recovering from the side condition and weaning back off Prednisone, however, his lung function has returned to normal levels.
Prednisone is not a cure; it's just basically calming down the immune system. If you come off of it too quickly, or, God forbid, just stop taking it all.
Abdominal pain: Many people notice intense abdominal pain when they first stop taking Prednisone. This may be in the form of intense.