Fleas are the most common cause of itching in cats. They can cause your cat to scratch, bite, and lick their skin excessively.

Allergies can also cause your cat to itch. Allergies can be to food, environmental allergens, or fleas.

Skin infections can also cause your cat to itch. Skin infections can be caused by bacteria, yeast, or viruses.

Ringworm is a fungal infection that can cause your cat to itch. Ringworm is contagious to humans and other animals.

Food allergies are less common than other causes of itching, but they can still be a problem for some cats.

Stress can also cause your cat to itch. Stress can be caused by changes in the environment, such as a new home or a new pet.