My cat vomited up his food on Sunday morning, so I gave him a little tuna (since it was soft food), he later then threw that up, and wouldn't eat anything else. He continued throwing up for the rest of Sunday and Monday morning. Obviously he only began throwing up white or clear liquid since he had nothing left in him.
I took him to the vet on Monday and they said they couldn't feel any blockage and his temperature was fine. They gave him a shot to calm his stomach. Since then, he hasn't thrown up but he still won't eat. He is drinking a little water but that's it.
The tuna that I did give him had oil in it and I just learned that can cause a sickness to a cat called steatitis. I only gave him a small amount, but he has all the symptoms except a fever. He is extremely lethargic, won't eat, and when picked up or moving, he cries.
I called my vet and asked if he has any vitamin E that I could give him (because that is what is supposed to help with steatitis) but he said that he doesn't think the vitamin would do any good.
My question is I'm just wondering what is wrong with my poor cat? He will be 2 years old in April. Unfortunately, I can't afford for him to be hospitalized or taken in for x-rays, so any advice would be greatly appreciated.