Hey, i'm only 14, but i thought i should ask adults this... I've seen commercails on TV about this new drug called Mucinex thats supossed to get rid of mucus that would otherwise be extremely difficult to get rid of. I was just wondering, can people with CF take it? i mean, what if it really improved lung function by helping get rid of some of the mucus... i was just wondering if any one has heard of some one with CF taking it, or i can just ask my dr.