Quote Originally Posted by Slora View Post
We are not entirely sure of her age. We got her from the Humane Society 6 years ago, at which time she was already an adult. She does not appear to be peeing more frequently, she does not appear to be "straining" when she goes, and the urine does not appear to have any blood in it.
If she's otherwise normal seeming, active, etc., I'd give it a couple days to see if her appetite perks back up now that the pain meds are leaving her system, but if it doesn't, at least a phone call to the vet would be in order.