Your child may suffer similar symptoms with soy-based formula. While it generally is no concern to wait a little longer to make the switch do not switch before your baby has hit their first birthday. In these specific situations pediatricians might suggest a formula change for constipation.
And we are not talking about them just spitting up since that is normal we are talking about forceful vomiting that you can tell is hurting them since they are trying to get something out of their system.
A slow approach can help ease the move. For instance start with three-quarters of a cup of breast milk or formula to a quarter cup of milk. While it generally is no concern to wait a little longer to make the switch do not switch before your baby has hit their first birthday. Start by replacing one serving of formula per day with cows milk.