Don't feel bad! You're looking for solutions!! That makes you a GREAT mommy!
I would try a new food (switch over VERY slowly) and the other suggestions before a skin biopsy. No, I don't think a biopsy will diagnose an allergy. I think you have to have special tests for that.
__________________
The fullness of our heart is expressed in our eyes, in our touch, in what we write, in what we say, in the way we walk, the way we receive, the way we need. -Mother Teresa (
RIP Gizmo 3/9/07-8/18/12)