Skipping meals for a day or two can indeed have some impact on a cat's health, especially for kittens. If a cat is not fed, it can only survive for about three to four days before facing serious health risks, potentially leading to death. Therefore, when a cat's appetite is poor, it is generally sufficient to withhold food for only about one day.

Generally, if a cat doesn't eat for 1-2 days, it will have some impact on its health, especially for young kittens. Kittens are very fragile, and their organs are not fully developed. Not eating for even 1-2 days can easily lead to critical health problems. If a cat doesn’t eat for three days, it may experience hypoglycemia and organ damage. If you notice your cat not eating, you should immediately analyze the reason and consult with a veterinarian about appropriate medication.
How Long Can a Cat Survive Without Food?
Cats have a weaker vitality than humans. Generally, if they are not fed for three to four days, they will face the risk of death. Therefore, when your cat has a poor appetite, do not let them go hungry for two or three days. Withholding food for about one day is typically enough.
How to Improve a Cat's Appetite
1. Choose Food Based on Palatability
When choosing cat food, cat owners should pay attention to selecting food with a high meat content and good quality. High-quality cat food focuses on the taste preferences of cats, which can be more appealing even to picky eaters. It should also have a good nutritional profile.
2. Supplement with Probiotics and Digestive Enzymes
Some cats may have poor digestion due to a lack of probiotics and digestive enzymes. This means they won't digest what they eat, and therefore they won't feel hungry. In this situation, cat owners can feed their cats supplements to provide probiotics and digestive enzymes, helping them quickly restore a normal appetite.