i have an 18 month old dear hound shes been off her food 4 three days ,, can hardly walk .. wont drink . and pooing blood .. been told it sounds like pavo .. can someone please tell me there dog has got thru this and lived .. shes sickin up green stuff as i write ... vets said all they can do is put her on a drip and prolong it ,, but i dont have the money for that ,, WAT SHALL I DO 4 THE BEST