I'd get another opinion as well, SullenScreamer. In fact, I'd likely go right to a veterinary internist if there's one near you. How are your dog's stools?
"We are--each of us--dying; it's how we live in the meantime that makes the difference."
"It's not what you gather, but what you scatter that tells what kind of life you have lived!"
"Be kinder than necessary, for everyone you meet is fighting some kind of battle."