Catster is reader-supported. When you buy via links on our site, we may earn an affiliate commission at no cost to you. Learn more.

Why Is My Cat Peeing on the Carpet & How to Stop It: 7 Vet-Approved Reasons

Written by: Christian Adams

Last Updated on June 28, 2024 by Catster Editorial Team

cat with pee stain on carpet

Why Is My Cat Peeing on the Carpet & How to Stop It: 7 Vet-Approved Reasons


Dr. Maja Platisa Photo


Dr. Maja Platisa

DVM MRCVS (Veterinarian)

The information is current and up-to-date in accordance with the latest veterinarian research.

Learn more »

If your typically pristine and proper cat is suddenly ignoring their litter box and peeing all over your carpet, it can become a frustrating (and smelly) problem for cat parents. The strong odor and constant carpet cleaning can definitely take a toll. But in most cases, it also indicates an underlying and painful health problem for your cat that needs urgent veterinary attention.

But why is your cat peeing on the carpet and not in their litter box? The reasons behind their need to pee on your carpet are usually medical but can also be behavioral or a sign of stress. 

Here are seven reasons your cat is urinating on your carpet and how to stop it.

cat face divider 2

The 7 Reasons Your Cat Is Peeing on the Carpet

1. Health Concerns

A peeing problem could be caused by health issues that lead to excessive urine production, such as kidney disease and diabetes, or a urinary tract disorder with the presence of urinary crystals, stones, inflammation, infection, or even a urinary blockage that is life-threatening. Additional medical issues may cause your cat discomfort when using the litter box. For example, older cats who suffer from arthritis may not be able to get into a box that has a cover or high sides due to their achy and stiff joints.

Until proven otherwise, always suspect a medical issue may be causing your cat to pee outside of their box. Cats will not pee on the carpet just to spite you; it’s almost certainly a sign that something isn’t right, either with their health or emotional state. 

Some of the common signs you may also notice are your cat straining, meowing when trying to pee, leaving puddles of urine outside of the litter box, passing very little or no urine, having blood in urine, refusing food or vomiting, and many more. All of these require an urgent appointment with your vet right away, who can then properly diagnose and treat the problem. Urinary blockage is a very serious condition, and your cat may develop kidney failure or a ruptured bladder, both of which can be fatal if not treated in time.

2. A Dirty Litter Box

Cats are extremely particular when it comes to their toilets. If the litter box isn’t perfectly pristine, your feline may feel uncomfortable using it.

To keep your litter box clean, be sure to scoop the litter at least once a day. You may need to scoop it more if you live in a multi-cat household. Bear in mind that your cat’s sense of smell is a lot more sensitive than yours is. Even if the litter box looks clean, it may still smell like a hot mess to your cat. If you have more than one cat, they all need their own private litter box, plus at least one more, as they may not enjoy sharing boxes and other resources.

Smelly cat poop
Image Credit: catinsyrup, Shutterstock

3. Stress and Anxiety

Your furry friend may be trying to tell you something by peeing on the carpet. They could be unhappy with another pet in the house and mark their territory to safeguard it from the other animals. They may even feel vulnerable and threatened to use the litter box in the presence of the other pet.

Always ensure that your kitty has a quiet and peaceful place that they can call all their own. This is especially true if you own dogs. All other animals and humans should respect the cat’s space.

4. The Litter Box Is Tough to Reach

Urinating outside of the box may be caused by something as simple as the placement of the litter box. If your cat is old, they may have a problem accessing the litter box, especially if it’s kept in the basement or on the second floor of your home.

The litter box should always be kept in an easy-to-reach but private area of the household. Despite your desire to keep the litter box accessible for cleaning, removing it from social areas and placing it somewhere quiet may make it more appealing to your feline friend. Moreover, if the litter box is near a machine that produces loud noises or vibrates, like a fridge or washing machine, your cat may not use it.

Try keeping the litter box near a secluded hallway, in a bathroom, or in a quiet office that has easy access to a garbage can. While it’s still easy for your cat to find, these areas will also offer him peace and privacy.

Litter boxes with high sides or those with a door on the top or a flap may also be difficult to reach for cats that struggle with mobility due to injuries, illness, or arthritis, and they will need an easy-to-enter box with low sides.

british shorthair inside top entry litter box
Image Credit: Nils Jacobi, Shutterstock

5. Too Many Animals in the House

Peeing on the carpet will generally happen more often in a multi-cat household. This is particularly true for homes where one cat bullies another one. Always have multiple litter boxes located in different areas of your home. The general rule is one litter box per cat plus one extra one, and this is the minimum. Each cat should have its own bowls, toys, bed, and scratching post, although some may be better at sharing and more social. Cats that are more private should have their safe and private hiding spot, and there should be enough room to allow the cats to interact with each other when they want, but also to have their privacy. Using pheromone diffusers may also help to relieve any tension and to provide reassurance for the cats.

6. Litter Type

While there are a variety of litters to choose from, not every type of litter is perfect for every cat. Litter should be clumping to reduce soiling and moisture, and you should find one with little dust so as not to cause respiratory problems for cats.

Try using a few different types of litter to see which one works best for your pet.

7. Marking Behavior

If you find pungent urine spots on your carpet, you may think your cat has urinated there. However, it’s important to differentiate urinating from spraying. Cats urinate by squatting on a horizontal surface while spraying is done standing up with an erect tail on a vertical surface, using a very small amount of urine rich in pheromones. 

If you have a male cat that isn’t neutered, he may be spraying and leaving his mark around the house, particularly if he is an indoor cat or can sense female cats in heat. Even female cats may spray urine, especially when in season, and neutering and spaying your cat is an efficient way to prevent this behavior from occurring. Speak to your vet about the best time to get it done. Other reasons cats will spray urine are related to stress and anxiety.

3 cat face divider

The Bottom Line on Litter Boxes

Your cat may be forgoing their litter box and using the carpet as a toilet for a number of reasons. Always suspect the problem may be of a medical nature and take your cat to a vet right away. If your cat has been given a clean bill of health, try to identify if there may be a behavioral, litter box location, or litter issue. Or try to determine if your entire cat is displaying marking behavior so you can start addressing it. Speak to your vet or a feline behaviorist if you cannot resolve the problem.

With time and appropriate management, your cat will start using the litter box once again. However, you still may want to thoroughly clean that pee on the carpet.

See also:

Featured Image Credit: Africa Studio, Shutterstock

Get Catster in your inbox!

Stay informed! Get tips and exclusive deals.
Catster Editors Choice Badge
Shopping Cart


© Pangolia Pte. Ltd. All rights reserved.