How Long Can A Cat Go Without Food And Water. You can't survive for long without food, water, sleep, or air. A cat who does not eat for 64 to 72 hours or so is at risk of fatty liver disease, which can kill the cat if left untreated.
The need for urination is less because there just isn't any food. One thing that you really do need to keep an eye on is how much water your. Kittens should be fed small amounts regularly by the way.
Regardless of their age or breed, all cats need to drink water and eat cat food every single day.
You can go about three weeks without food, three days without water, three hours without shelter, and three minutes without air. Encourage eating and hydration if your cat doesn’t eat for 24 hours and/or doesn’t drink for 12 hours. A hospice patient of mine lived for over 2 weeks without eating or drinking anything. A lot of cat owners are guilty of this atrocity this is not funny.