Hi and welcome to YT
. You're probably not seeing results from changing foods bc food allergies are actually very rare. It's wayyyy more likely you're dealing w/ an enviro allergy like dust, pollens, grass, trees etcetera.
If the itching is this bad, it's affecting quality of life and you should medicate - there are a lot of options.
Read here for more info:
http://www.yorkietalk.com/forums/die...tart-here.html