i change his food to science diet ,still he has the same results still scraching .i made an appt .we wiil go to the vet in 3 weeks before that i will be bathing him with some special shampoo i got from the vet .i have done lots of things for him still dont see no results .i even took him too a new vet still nothing i am fustrated .i wiil take him back to his old vet