My orange short hair tabby has been sick ever since I brought him home. Originally, the only cats in the house were father and son, but I found this really cute orange tabby kitten in an adoption firm near my home. I filled out all the proper paperwork and he had been neutered with all his proper vaccinations up to date. After I brought him home, I noticed he had some serious diarrhea. I didn't do anything about it until I noticed blood in his defecation, so I took him to the vet and it turned out he had an intestinal parasite, Giardia. They gave me some medicine to give to him and when I brought him back for a check-up, the vet said he was fine, but he wasn't. He still had bloody diarrhea and I couldn't afford to take him back to the vet, so I changed his food. Now, his bloody diarhhea is gone, but he can't stomach the new food. I've already had to clean up three cases of vomit within the past 24 hours or so. What do I do??? I can't afford to keep wasting money on BAGS of food and vet bills... Any advice???