It's worth a shot ithurtsmom, only thing is as far as I've learned no less than 10 billion live cultures so although you may want to start your daughter out on one or 2 caps, I'd increase it up to 5 (2 billion X 5 caps = 10 billion live cultures) so long as all goes well with it.
I use this brand of probiotic...
http://www.sangsters.com/showprod.php3?prodid=1090
Check out this link which will directly take you to the info on it...
http://www.sangsters.com/showpamph.php3?pamphid=141