Why Does My Cat Get Aggressive When I Make The Bed. There you sit, enjoying a quiet moment while gently petting your beloved feline when he suddenly, inexplicably, turns and sinks his teeth into your hand, or lashes out with his claws. One of the things you can do is to walk away and ignore your cat right after it does anything aggressive.

Loud noises, predatory animals, pets, sickness, and injury can make cats feel more vulnerable. One of the things you can do is to walk away and ignore your cat right after it does anything aggressive. You may find your cat is more active at night, which can be caused by health problems as part of the normal aging processes.