I have a 14 week old DD who has been a pretty sicky baby since I stopped BF at 8 weeks. I swapped to hungrier baby stage formular at 10 weeks which made her sicker so I swapped back to first stage and feeds seem to be established at 5 in 24 hours. I am using Aptamil. In between feeds DD seems to be vomitting lots and lots of just clear fluid. Ideas or experience anyone?