So went back to "asthma" doctor today who steel seams befuddled as to what to label my lung condition. CT scan results appeared normal but radiologist I guess is a hack with a track record of mixing up peoples records, misdiagnosis, etc. Now will be starting back from square one since previous pulmonologist advised no ER unless o2 in 70s. Anyway, does anyone have experience with roflumilast? Has it provided any relief? Any feedback much appreciated. Thank you