Most cat lovers are aware that un-neutered male cats will spray urine on walls, furniture, and elsewhere in a hormone-fueled effort to mark their territory. But many pet parents are surprised when males that are “fixed” will spray, or when female cats—spayed and un-spayed—exhibit this same noxious behavior, says Dr.

Do unfixed cats pee everywhere?

It's estimated that 10% of all cats will eliminate outside their litter box at some point in their lives. Quite a few of these cats have issues with some characteristic of their litter box (please see our article on Litter Box Problems for more information), but approximately 30% don't have litter box problems at all.

Do female cats in heat pee on things?

Some female cats will urinate more frequently or may even spray urine on vertical objects (marking) when they are in heat. The urine contains both pheromones and hormones, both of which act as signals of her reproductive status to other cats. This is the reason that queens in heat attract intact (unneutered) male cats.