Awwwww......GOOD LUCK and try working a payment plan out with the vets - some are really great about it - also there is a site you can TRY to get financial aid from -
www.imom.org - and all the best to you !!! Please keep us updated on your little guy....
I'm no expert but it sounds like he was in pain and that
could be liver shunt if he's losing weight and unresponsive....this is serious but treatable - GOOD Luck