Maybe. Dogs don’t need to consume flour, and it can be the source of allergies for many pets. But flour is included in many dog foods and treats to help bind ingredients.
You’ll want to lean more on whole-grain flours—flours in which the whole grain is used and all the natural nutrients from the grain remain in the flour. Non-grain flours are another, healthier option. White flour, on the other hand, is highly treated and stripped of most of its nutrients. Several other flours (listed below) are made from ingredients that commonly lead to allergies, and you want to avoid these.