Shelley
He may want to get a blood test for Alpha 1 Antitrypsin Deficiency. My husband was mis-diagnosed for years with asthma & bronchitis, until he switched doctors and his new family physician discovered that he has Alpha 1. We feel that many people with lung problems are being mis-diagnosed and may need Prolastin therapy, which may keep the lungs from getting worse. God bless & write back if we can be of any help.