Why Is My Cat Not Using the Litter Box? Part 4: Other Cats
When your cat doesn’t use the litter box, they’re trying to tell you something is wrong in their life. Once you’ve taken them to the vet and they determine that the cause for inappropriate elimination is not medical, then you can begin the cat behavior detective work.
One reason a cat may not be using the litter box consistently is due to stress from other cats. The tips in this video should help if this is the case. This is part 4 in a series on litter box issues.