♥ Changes in sleep patterns: Is Kitty sleeping more than usual or does she seem restless?
♥ Changes in vocalization: Is Kitty yowling or is your once talkative cat now silent?
♥ Bad breath: It may not just be tuna-breath. Bad breath can signal severe dental disease and Kitty may be in a great deal of pain.
♥ Grooming less than usual: Has Kitty stoppped cleaning herself and does her hair coat seem greasy or dry? Is dandruff present?
♥ Gaining or losing weight: Have you noticed an abrupt weight loss or gain? Do Kitty's sides seem indented and her spine prominent?
♥ Refusing to eat: Is Kitty refusing her food? Or does she come running at dinner time only to turn away when food is present?
♥ Eating or drinking more: Are you constantly filling up the water dish? Does Kitty seem ravenous?
♥ Urinating or defecating outside the litterbox: Is Kitty doing her business in inappropriate spots around the house? Are you finding urine or stool just outside the litterbox?
♥ Urinating more often: Is Kitty's litterbox filling up with urine faster than you can scoop it out?
♥ Lethargy, depression or less playful behavior: Does Kitty spend most of her time lying about? Is she interacting less with the family and not enjoying the things she once did?