that's so sad.
**hugs to both of you**
Hopefully there's something the vet can do to ease any pain your loved family pet is having?
My honest opinion on this is (after the vet's vote for being put down because you've tried all reasonable options)... an animal should be put down when there are more bad days than good.
With that said, I'm no fool to know... that's easier said than done.
My sister-in-law just put down her dog, and it was long overdue. To her, she was doing fine, but those who hadn't seen her every day....couldn't believe how bad she looked/acted/and her lack of energy level.
My thoughts are with you littlek.