Why is my overweight cat constantly hungry, aggressive, and peeing outside the box?
Updated On September 23rd, 2025
Pet's info: Cat | Domestic Longhair | Female | spayed | 6 years and 9 months old | 25 lbs
We adopted a 25lb cat about 4 years ago from a shelter, we have tried everything to get the weight off of her. When we are not looking she is trying to eat the food of our other animals. She is horribly miserable when we cut back her food and is really aggressive to the other animals when she is hungry. Any ideas, we tried feeding her separately from the others at feeding time, but right after that she goes and urinates in front of the box instead of inside of it. She has a bit of a cattitude.
2 Answers
Most Helpful Answer
Published on February 26th, 2018
Thanks for visiting Petcoach! In a situation like this where your pet is always seemingly hungry and eating other pets food, you want to first rule out any underlying disorder that can cause an increase in appetite, including Diabetes Mellitus. I would first get some baseline bloodwork done at your local vet to do a good overall health check. Then if she comes up clear for any underlying condition, I would recommend getting her on a food that is going to make her feel fuller longer. My top recommendation here is the Royal Canin Feline satiety. This is a prescription food however, so you willl need to get a prescription card through your vet in order to purchase the food from your local pet store. https://www.petco.com/shop/en/petcostore/product/royal-canin-veterinary-diet-satiety-support-dry-cat-food Her urinating outside the litterbox may be related to an underlying UTI or it also may be signs of diabetes, so it is important to get her tested. I hope this helps and best wishes moving forward with your pet Guinevere. I hope you get her appetite and inappropriate urination in control soon. Take care.
1Pet Parents found this answer helpful
Related Answers from Veterinarians
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Published on September 3rd, 2017
With the history of being overweight and suddenly having a lack of appetite and weight loss...I am really suspicious of Diabetes. They usually drink and pee excessively with this condition as well. It's worth bringing her in for an evaluation by a vet. They can easily diagnose this condition and advise treatment options. I hope that helps and Pudding gets better soon.
1Pet Parents found this answer helpful
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