Marianna wrote:

<< Her only symptom when she drinks milk  is to immediately throw it up, if
she eats it (cheeses, yogurts, ice cream, etc)  then it takes a while but she
eventually throws
that up too. . From what I have read that is an allergic reaction not an
intolerant reaction.    But seeing that she is only 19 months old now >>

Babies, unlike adults, have vomiting as a symptom of lactose intolerance.
With her only 19 months, you have to look at LI as a possibility.

Steve Carper