Bronchial dialator question

Stupid question (again). How does chronic treatment with bronchial dialator's help those with CF? My understanding is it opens the airways. But what does it do for CF? I mean it doesn't think the mucus...and if there is no excerabation or shortness of breath, what is the way that it works prophelatically? The reason I'm asking is this: We do 2x a day. Occassionally, if DS is coughing more than baseline (like after a day outside with lots of polland), I might do 3x. So what I want to discuss with the doctor is whether it makes sense to always do 3x a day (I would do the mid-day one with an inhaler and not nebulized, absent some issues). Or does doing 3x a day make it less helpful when there is an exacerbation? What would be the pros and cons of my thought? (Knowing how the opening the airways helps given what CF does, would help me think through this as I discuss with the doctor). I also would like to try him working on the inhaler without a spacer and thought that this would be perfect "practice" as it wouldn't be imperative that he get the entire dosing? Thoughts??? Thanks
Source: Cystic Fibrosis Adults Forum - Category: Respiratory Medicine Authors: Tags: Adults Source Type: forums