Cat Not Eating Much But Drinking. This can also happen when you. If your cat isn’t eating as much as he used to, there also could be issues going on in other parts of your cat’s body.

Many senior cats develop dental problems which, if left untreated, can make it painful or difficult for your cat to eat. It's also extremely important to monitor and contact your vet if they are not drinking or are displaying other symptoms or behavioral changes. Cats will ravenously consume a meal they enjoy.