There are a few reasons. First, if your dog has allergies, he may have sensitivities to certain ingredients in his food. Second, the best dog food for dogs with allergies will be free of any potential allergens.

And third, the best dog food for dogs with allergies will be packed with nutrients that can help to support your dog's immune system.

https://petdii.com/homemade-dog-food-recipes-for-skin-allergies/