I Took My Dog To The Vet... For Her Thinning Hair On Her Back Legs...they Think She Is Having An Allergic Reaction To Her Food...i Was Giving Her Purina (i Know They Suck)...they Want Me To Try Science Diet Z/d Low Allergien Dry #8 And Also Told Me To Use Benadryl Dye Free To See What Happens...NOW MY QUESTION IS SHOULD I CHANGE HER SHAMPOO AND GROOMING SPRAY...I USE MINK SHEEN AND SOME TEARLESS PUPPY SHAMPOO BUT THAT COULD THAT TRIGGER AN ALLERGIC REACTION |