Litter Box Problems

Most cats are happy to use a litter box because their instinct is to bury their urine and feces. But when their burying preferences include the laundry basket, the bed or the Persian rug, you’ve got a problem.

There’s always a reason they stop using their box. Take a close look at what’s going on in your cat’s world. You should be able to uncover the source (or sources) of the trouble, and make the changes that will put his world to rights again.

Who is the culprit?

If you have just one cat, the answer is obvious. If you have multiple cats, it’s a process of elimination, which means you will need to isolate one cat at a time to see if the inappropriate behavior stops while he’s in isolation. This method isn’t foolproof, however, because if the culprit’s behavior is stress-induced (see below), it may not occur if keeping him away from the other cats also keeps him away from the stress!

For more puzzling cases, a veterinarian can advise you on adding a safe fluorescent dye to the cats’ food (one cat at a time). The dye will glow in the cat’s urine when a black light is held over it, and you’ll have your culprit.

Are there medical issues?

If your male cat stops using the litter box, spends a lot of time trying to go or licking his genitals, get him to the vet immediately. This may be a sign that he has a urinary tract infection or much worse, a blockage. These cause pain when urinating, which he may associate with using the box, causing him to avoid it. Some cats will even urinate and cry right in front of you or go in the bathtub or sink to let you know something’s wrong.

Urinary tract problems can be very serious, especially in male cats because their urethra (the tube that empties urine from their bladder) is narrow and is more easily plugged than a female’s wider urethra. A cat whose urinary tract is blocked can die within hours or suffer irreversible organ damage from the buildup of toxins in his system. Don’t wait around thinking it will clear up by itself. And don’t be fooled into thinking that your cat is constipated. It could happen, but it’s more likely to be a urinary problem.

If your kitty gets a clean bill of health from the vet, his problem is all in his head.

Why, why, why?

Many cats are perfectly happy with everything about their litter boxes and don’t care what how many there are, where they are, or what’s in them. Then there are those who are more picky. These cats may have any number of reasons (known only to them) for deciding the litter box is an unpleasant place to eliminate.

  • The box isn’t clean enough.
  • She doesn’t like the box: It’s too big, too small, too high, too low, has a hood, doesn’t have a hood, is too hard to get into and so on.
  • She doesn’t like the litter: It’s clay, it’s clumping, scented, unscented, too hard, too soft, she doesn’t like litter at all, there’s too much, not enough, etc.
  • If your cat has a history of being outdoors, use dirt.
  • She doesn’t like the location: It’s out in the open, too hard to get to, next to a noisy appliance, in the basement when she wants it in the living room, etc.
  • She’s too young, too old or too unwell to make it to the basement to use the box.
  • She was startled by something or someone or “ambushed” by another pet while she was in it.
  • There aren’t enough boxes for the number of cats you have.
  • Something in her environment or routine has changed. She’s anxious and is marking her territory to reassure or assert herself.
  • She associates the box with punishment. (For example, someone punished her for eliminating outside the box, and then placed her in it.)

Sometimes, the original reason for the problem may not be the reason it’s continuing. For example, your cat may have stopped using the litter box because of a urinary tract infection; the infection is gone, but she now prefers the carpet or the bedroom closet. If that’s the case, you’ll need to address all of these factors to resolve the problem.

You think you’ve figured out kitty’s problem. Now let’s fix it.

If your cat was just fine with her litter box situation, but is now unhappy because you’ve changed something about it, by all means, change it back!

If your cat always eliminates in quiet, protected places, such as under a desk, beneath a staircase, in a corner, or in a closet; she eliminates in an area where the litter box was previously kept or where there are urine odors; or she eliminates on a different level of the home, here are some solutions.

Put a litter box in the location where your cat’s been eliminating. When she has consistently used this box for at least one month, you may gradually move it to a more convenient location at a rate the cat will adapt to. It could be just a few feet or inches a day.

Put at least one litter box on every level of your home. (Remember, a properly cleaned litter box does not smell.) This is especially important if you have kittens, elderly, or ill cats who don’t have the strength to go all the way to the basement each time they need to use the box.

To make the spots where she’s been eliminating less appealing to your cat, cover them with upside down carpet runner or aluminum foil, place citrus-scented cotton balls over the areas, or place water bowls there (because cats often don’t like to eliminate near where they eat or drink).

Clean the soiled areas well. Animals are highly motivated to continue soiling an area that smells like urine or feces. A cat’s sense of smell is much stronger than a human’s, so it’s important to clean the soiled areas thoroughly and properly.

Find urine stains with a fluorescent black light, available at hardware and pet supply stores. The stains will glow under the black light. Once you locate a stain, clean it with an enzymatic cleaner made especially for pet odors, available at pet supply stores. Don’t use ammonia or other strong-smelling
household cleaners. These will encourage your cat to re-mark in that area.

You may have to clean the area several times to remove the odor completely, even treating the carpet padding and sub-flooring underneath. Clean the area thoroughly before steam cleaning to avoid “locking in” the odor.

If your cat’s eliminating on soft surfaces, try using a soft litter made of pine shavings. You could also try shredded newspaper, or even a piece of carpet in the box (you’ll have to change it often, of course). Try to convert her to litter by sprinkling it over the carpet, gradually adding more if she doesn’t object.

If your cat’s eliminating on slick, smooth surfaces, try giving her an empty box or putting a very thin layer of litter at one end of the box. Leave the other end bare, and put the box on a hard floor.

Homeward Bound has had success using Dr. Elsey’s Cat Attract Litter or Dr. Elsey’s Precious Cat Ultra Litter Attractant to be added to current litter.

Good luck!



More Resources:

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Low Cost Spay/Neuter, Vaccines and Microchips for Owned Pets The Animal Foundation655 N. Mojave Road, Las Vegas, 89101 (map)702-955-5955 Spay/Neuter by appointment only Open Tuesday – Thursday & Saturday Forms …
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