What is he eating? It could be a food allergy; could also be a particulate allergy (dust, seasonal etc). If it might be fungal, he would need a skin scrape from the vet. You could try redirecting him in the mean time - with a nice tasty chew toy or something.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~ °¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |