Pepper, our senior cat, has been looking a little thin lately, so we took her to the vet. Turns out that she's lost 3 pounds, which is a lot considering she was 8 pounds to begin with. So, after making sure she didn't have worms, they drew some blood and tested it. Turns out that she's hyperthyroid and her white blood count is elevated, so we have a pill for the hyperthyroid and two antibiotics to give her. It'll be easy with her, because she's small, declawed (the only one) and reasonably docile. Still, I worry; she's 12, and has always been my cat, so I feel responsible for her. Will keep you updated as time progresses.