Hi - I am interested in learning more about your Methacholine Challenge Test - I just had one done last week and am having what thus far appears to be lingering hyperreactive airways to a variety of things.  I droped 48% after the second inhalation of the Methacholine.  When did you have the test done?  Are you feeling any better ...

Has anyone had any side effects to a methacholine test to check for asthma. I had minor breathing problems before the test, when I got around a respiratory irritant, but now since taking the methacholine test where my breathing dropped 52% I had troubling breathing from day to day. The doctor has put me on numberous inhalers, inhaler solutions, ...