My child is having issues with formula?

I have given my 3 week old 5 different types of formula.He vomits everything up. The only one he can keep down is Enfamil A.R for acid reflux. Which is fine except he breaks out in hives from it like he alergic (allergic) to it. My first son also broke out from regular Enfamil and never had a problem once we switched it. But this is the only formula I have found that he can keep down. I don't have clue where to go to next?

[finally-a-mom!!!]

Have you spoken to your pediatrician? They should be able to tell you what should work.

[mum2beagain]

This is definately one for the pediatrician.
Also I realise you may have already made the decision not to breast feed but it may not be too late to start if you think you could give it a go. A lactation consultant may be able to help you. Babies are very rarely allergic to breast milk.
I hope you manage to get something sorted out soon.

Best wishes.

[millineumwoman]

Have you tried Isomil, it is meant for babies that throw up all the time, it takes about 3 days to adjust. but it worked wonders for my daughter after i breast feed her.