M.F.
We ended up keeping my son on Nutramigen for almost an entire year. We tried to slowly switch and his tummy wouldn't allow it. My son had no problems gaining weight (90%) so we began watering the formula down a little bit at a time. We did this with my docs permission. It helped save some $. Also, when he started eating regular foods (cereals, bananas, ect...) it really helped save way more $. Consult with your doctor, first. There is a light...
Hang in there mama!