Do Cats Know When Another Cat Is Sick?

Posted on May 10, 2025

Yes! It is possible that some cats can tell when another cat in the household is sick.

A sick cat will often smell different and the other cats in the household may not recognize the scent.

They can detect changes in pheromones and chemicals in the body. This is because cats have a very good sense of smell, and they can detect changes in chemicals in the body

Some cats may become more friendly toward the ill cat while others may become aggressive or withdrawn.

Not all cats will behave the same way. Some might not show any signs of another cat being sick while others may behave differently.