Here we go--baby cultured pseudomonas

So I received a phone call this morning that our 8 week old cultured pseudomonas (she also pointed out there there was a study awhile back that followed non cf newborns up to 1 years old and some showed pseudomonas as well, so it's possible). From what I understand, this is common in CF. Can anyone elaborate why? Is this type of bacteria also common in non cf folks like me, or my husband and other kids? She gave us two options-we can culture again, or we can go ahead and start tobi now-which we'd do for 28 days, culture again and continue another 28 day treatment if it was still present. On cff.org, it says that they do not know if Tobi is safe and/or effective in children under 6--so is it common to use this on a new baby? Here's some questions we asked her--if anyone wants to contribute answers before I hear back from her, I'd totally appreciate it! What information would a second culture provide that we don't already have? Does having additional data from a second culture (and adding an additional week before treatment begins) benefit us more than beginning treatment ASAP? Given how common pseudomona growth is in the environment, are they commonly found in the airways of the general population (non-CF patients), and, if so, what makes their presence in CF patients unique? Could the bacteria found in the culture be the result of her sister's cold or is this bacteria unique?
Source: Cystic Fibrosis Newly Diagnosed Forum - Category: Respiratory Medicine Authors: Tags: Newly Diagnosed Source Type: forums