anorexia

I really need help.I have no idea what to do next. My Shih Tzu is sick and we have tried everything. First, he got sick with a cough and was very lethargic. I brought him to the vet and he was put on antibiotics. Then, he had blood in his urine and they put him on more antibiotics for a bladder...

My sisters 8 month old puppy won't eat. He drinks loads of water, seems otherwise fine I.e. not lethargic, vet check up reveals nothing but he's very skinny. She's had him for about 4 weeks before that he was in a kennel for a month he hasn't been a big eater since she got him but it's getting...