Gentlease And Face Rash Its Been Three Weeks Since My 4 Month Old Daughter Switched To Enfamil Gentlease But Now She Has A Rash?

Its been three weeks since my 4 month old daughter switched to enfamil gentlease but now she has a rash? - gentlease and face rash

Lil rash of small bumps in the upper chest, neck and back ... it also has the eruption similar to opinion eyebrows IVE scratched his face after eating, I shud milk Similac Alimentum? Rash occurred since the beginning of the Gentlease but his ped says she's been good, but I think I shud change milk