He's neutered. He's 5 years old (roughly). He was found in Maine in the middle of a busy highway during an October cold snap. He was thought to be around 3 months old when we adopted him from the vets office that day (I worked with the lady who found him in the road) When we brought him back after 3 weeks of care and feeding, they re-estimated his age at around 1 year and said we could spay him then. He's always been very skiddish (sp) and I think he has vision problems as his doesn't seem to be able to see or focus on things unless they are very close to him. He doesn't like to be held or cuddled...but does like affection and to walk and lay on me as long as he's not held. He hasn't been doing that or following me as normal for about 4 days. I haven't seen him eat in that time; but he has taken treats from me.

One thing has been different in our cats routine in the last week. One night last week, a mouse was found by them and killed. One of the cats ate on the mouse a little bit and then brought what they'd eaten back up. Since he's the only one acting different, I'm wondering if he was the one who ate it and possible if this is somehow affecting him.

Was he's throwing up reminds me of bile. Does that go with the hairball or UTI possibility?