Cat Pooping Outside the Litter Box? Here Are 5 Possible Reasons Why

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Has your cat suddenly started defacating or urinating outside the litter box? It can be frustrating and downright gross to have to repeatedly pick up your cat's, uh, "treasure" off the carpet. Most cat owners have experienced this issue at least once or twice.

For the occasional "outside the box" pooper, it might be a one-off. But if your cat is choosing to go outside his litter box on a daily basis, he's trying to tell you something is up.

It's important to remember that your cat isn't doing this to spite you; cats aren't vengeful creatures. Mr. Whiskers is trying to communicate with you in one of the only ways he can. Here are five possible reasons your cat might be avoiding the litter box. 

 

cat litter box newspaper

 

1. Rule out medical reasons.

Observe your cat when he "goes" and look for signs of straining or discomfort. Your cat might associate digging in the litter box with uncomfortable elimination, so they may begin avoiding going inside the litter box.

If your cat is straining,  or cries out while trying to go to the bathroom, it signals that illness (not behavior) is the reason behind your cat's pooping misadventures; a vet checkup is likely necessary. 

2.  Keep it clean!

Cats are fastidiously clean creatures with extremely sensitive noses. Their sense of smell is approximately 40 times as powerful than us humans! Imagine if you had a roommate and you came home to a stinky bathroom - you wouldn't want to use it, would you?

If you find your cat avoiding the litter box unless it's fresh and clean, try scooping daily to give your cat a nice, appealing place to go. If you have a multi-cat household, you might want to consider a litter scoop that comes with bags attached to make scooping and waste disposal quicker and easier. 

 

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3. Try different litters.

Due to their sensitive snoots, some cats may prefer unscented litters. A perfumed litter might be too strong for a cat's sense of smell. If you are using perfumed litter, your cat might not like the strong scent. Try switching to a non-perfumed litter.

If you're using a granulated litter, try a finer grain clumping litter. Cats may tend to like the feel of finer litters - whether this is because a cat instinctively likes to cover their feces in dirt or sand, or just a weird personal cat preference, cats generally spend over 20 seconds pawing around in the litter. So it's important for your cat to actually want to use the litter you choose. 

The depth of the litter also might not be enough for your cat to adequately cover their business. So if you notice some bare patches from where your cat has tried to bury their feces, try increasing the amount of litter you pour.
 

4. Consider location, location, location.

Even though cats have been domesticated, they can still have strong wild instincts. When your cat uses the litter box, they know they are vulnerable to attack. You want to situate the litter box in a quiet, private location where they won't be disturbed by loud, sudden noises that would scare them away from using the litter box.

If there are other cats in your home, the litter box may be a source of contention. Your other cats may be intimidating your cat during litter box visits, causing them to avoid it and eliminate outside the litter box.

Make sure the box is in a location that offers a clear and easy escape route for your cat and, even better, make sure you have several boxes in different locations so your cat has options. 

5. The box is too small.

Your cat might be like Goldilocks: their litter box needs to be just right - not too big, not too small. Your cat's litter box should be at least 1.5x their length for them to comfortably maneuver. A cramped litter box doesn't give your cat the ability to turn around and dig, making their usual bathroom routine uncomfortable.

If you have an older cat who suffers from arthritis, a high-sided box may be making it difficult to get in and out of the box. 

 

Have you had this issue? What solutions have worked for you? Let us know in the comments below!

 

 


86 comments


  • Linda Mong

    When my 13 yr. old cat CATalina developed diabetes, she had gone very thin and weak. She was never a huge cat to begin with. I had this problem at that time with her eliminating (both) outside her large, covered litter box. It turns out she was weaker and probably had aches and pains of old age too. So I got her a very low uncovered litter box and that solved the problem.She can easily step into the box now and is doing OK on her insulin. She is more active and looks so much better too. And the solution to her litter problems was all about height of the litter box and her aging body’s abilities that had changed.


  • Bryce Andersen

    We switched to one of those plastic three foot long x 2 foot wide on wheels under bed storage containers and use two 14 lb bags of Fresh Step litter and the multiple kitties love it a whole lot better, Don’t have the litter to sweep up from off the floor either. Compared to two regular litter boxes the one XL box is much, much better.


  • Mary

    With regard to larger litter box, my son uses large plastic totes without the cover for his cat. Because it is deep as well as large he finds that scraped litter doesn’t go flying out.


  • Cyndi Staudt

    My cat goes outside the box & I am pretty sure it’s because it’s too small. I have purchased the largest one I can find but it’s still not 1.5 times his length. He is a rescue but I am quite sure he has some Maine Coon in him so he is a pretty big boy. Any suggestions on where to get large litter boxes would be appreciated!


  • Kathy

    We rescued our cat. The owners were going to have her put down because she went outside the litter box. She did for us as well. Always in front of the door wall on the carpeting. What could I do? I moved the litter box in the living room, on the carpeting, in front of the door wall…It worked! She uses the litter. 8 years later and still no problem. Except when we know we are having company we have to move the litter! Small price to pay to have the love of my wonderful cat.


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