athome1

I could be an allergy, but like you said, it would have shown up with he milk based formula. My son had allergies to milk and we had to switch to soy formula, then on to soy milk. He never once threw up the milk, just got a terribly runny nose and very dry skin, to the point of bleeding. When he was an infant, he was very uncomfortable after drinking milk formula. That doesn't sound like your issue. Try using soy milk for a bit and see if your child likes it or can keep it down. It may help. Good luck!