http://www.medications.com/effect/view/29400 I was Dx with Asthma in 98 after having bronchitis for the first time. I am not a smoker but Asthma does run in my family. I have been taking Advair 500/50 for 3 years and as far as controlling my Asthma I am so HAPPY to be on it!(I am 40 years old). In the