My dog may have food allergies,what kind of food should I get for her?

jacks asked:I took my8 month oldpuppy tothevet becauseshehasbeenscratching a lot lately. Hesaidthatit’s likelyshehasallergies he’s justnotsure whatshe’s allergic to. Hetoldmetogive herbenedryl throughout theday andbathe herwithspecial shampoo. Afterdoing [...]