How To Rehydrate A Dying Cat. In addition, her body’s ‘thirst’ signal may not be working very well, so she may not even realize that she needs to hydrate herself. If your cat is drinking lots of water and showing other signs of illness, they should be checked and diagnosed by a vet.
If your cat has been sick once or twice but otherwise appears well: Reward your dog with a special treat that also keeps them hydrated. For kidneys to get worse when they undergo.