I haven't posted in forever but still read everyday. My three kids were dx last spring with atypical cf. This was our 1st fall in 11 years hospital free. YEA!! They are all better but not great. All three have had sinus infections, we still struggle with belly issues and two out of three had lung infections over the holidays. My youngest got rid of it with one round of bactrim but my daughter took two rounds. Her lung function actually dropped while on it. She seemed to improve and then again today "out of the blue" woke up all "junky" w/a "painful"cough. That's how she goes down. I put he to bed she sounds fine and wakes up with a cough she sounds like she has had for weeks. I'm so discouraged. I am so overwhelmed with trying to get all of their tx's.in. Sometimes I feel that it's okay to go without the vest or the pulmozyme when they sound good but then here we are again sick..I am having such a hard time grasping all of this. Trying to get three of them to take all the pills and do all the tx's they are supposed to do some days is nearly impossible. Sorry just venting. Guess my question is do others out there experience going down hill so quickly like my daughter does?