I'd get him to the vet for treatment and relief. Severe itching is often just as miserable as pain. It could be he has developed food allergies or seasonal allergies and maybe a prescription shampoo, some treatment to calm his reaction to what he's allergic to can help a lot.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |