cat not eating

Mystic came home yesterday after 5 days at Animal Hospital. She received the I-133 Iodine treatment for Hyperthyroidism. So for three weeks she must be carefully monitored (at home). Her litter box contents,must be saved for an additional 80 days while the Iodine (radioactive) minimizes. She has...

I have a cat that I'm watching for someone for a week and I also have a cat of my own. The cats didn't exactly "hit it off" so I took my cat to my parents place for the time being. The cat that I'm watching hasn't eaten and drank water for about 32 hours now since I've had him with me. He has...