Give it time....
My beautiful British bulldog has been on a raw food diet since puppy but skin probs getting progressively worse. Tried this on vets advice and initially no improvement , possibly even worse after two weeks but after 6 weeks his skin is much better so obviously there is a detox period you need to go through before improvements are seen. Now 14 weeks on his skin is much better, not cured of allergies but definitely much better and less red and itchy.plusthis is much simpler and less messy to feed.