Thank you Logan. It really was a frightening experience. I really did think it was odd that he reacted so badly! He's somewhere between 4 and 5 (vet's best guess...he was around 1.5 yrs when I took him in off the street) years old. Now that I step back and look at everything, the vet could have been a little more helpful on what to expect and treatment for the next few days. When I went to pick Marius up the vet said that it was a reaction similar how a human reacts(meaning, how the area hurts where the shot was given) to a tetnus shot. He didn't seem to concerned. At this point, I thought that made sense, but after the vomiting blood thing...I'm not so sure. That seems a little extreem. I was a little annoyed that they didn't call me back to see how he was doing. I think it's because there's so many people here...but I agree...maybe looking for another vet is a good idea. A Cats only vet sounds good! I wonder if there is one in the area.
The canned food is probably the best way to go, since it will be soft and have moisture in it. I'm sure he's pretty dehydrated. I'll keep you posted on his progress.
Karen

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"In a cat's eye, all things belong to cats." - English proverb