Why Your Cat May Stop Using the Litter Box

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Last updated 8/2/2025

cats
litter box
urination
cat behavior
stress in cats

Cats can stop using the litter box for many reasons, and there's not always a simple fix. Let's explore why your cat might have stopped using the litter box and how you can resolve the issue.

Medical Problems

One possibility is that your cat may have a medical problem. Urinary tract infections are a common cause of a cat peeing outside the litter box. Often, a cat will urinate inappropriately due to a medical condition.

If your cat is avoiding the litter box, take them to the vet. They can check for issues like cystitis or urethral blockages. These problems can make your cat associate urination pain with the litter box, leading them to avoid it.

Diabetes

Diabetes in cats can cause increased urination, and your cat might not make it to the litter box every time.

Retraining

Your cat or kitten might need retraining on how to use the litter box.

Dirty Litter Box

Cats dislike using dirty litter boxes. Change the litter often and wash the box with hot soapy water daily. Scoop out soiled litter regularly.

Litter Preference

Cats are creatures of habit. If you've changed litter brands or types, introduce the new litter gradually by mixing it with the old. Avoid scented litter, as many cats dislike it.

Litter Box Location

Your cat might not like where the litter box is placed. Keep the box in a quiet, easily accessible spot. Avoid placing it near noisy appliances or feeding areas.

Spraying vs. Urinating

Sometimes, cats spray urine rather than urinate. This is often territorial or stress-related behavior.

Stress

Cats experience stress, just like humans. Changes in their environment can cause stress, resulting in litter box avoidance. Cats thrive in consistent and familiar surroundings.

Kitten Location Awareness

Kittens might not know where the litter box is, especially if they're busy playing. Try to keep the box in a consistent location.

Multi-cat Households

Some cats don't like sharing litter boxes. Ideally, provide one litter box per cat. If that's not possible, offer as many as you can manage. In multi-cat homes, cats might urinate to mark territory. An outdoor cat enclosure may help.

De-clawing

If your cat has been de-clawed, it might be painful for them to scratch in the litter. This can lead to avoidance.

Reinforce Positive Behavior

If you catch your cat urinating outside the litter box, gently move them to it. Avoid punishment, as it can increase stress. Try reinforcing positive behavior instead.