Wow, that is a lot of weight loss - what was his starting weight, btw?
Has the vet ruled out hyperthyroid? While dogs can be hyperactive at first, they can then decompensate to being lethargic w/ hyperthyroid.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~
°¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |