Fleas: Flea saliva antigen gets into the cats immune system when a flea bites a cat. Flea allergy is the most common type of cat skin allergy and can happen year-round. Its often diagnosed with direct evidence of fleas on the cat and caused by not using the right or consistent flea control.
Cat Skin Allergies & Allergic Dermatitis: Symptoms & Treatments. gray cat and black and white dog. By Pet Expert Team.It results in rashes, scabs, and other cat skin allergy symptoms. It can be caused by fleas, food ingredients, or environmental allergens.

Fleas are wingless, insects which bite your cat and feast on their blood. The itchiness caused by fleas is actually due to an allergy to flea saliva (known as flea allergy dermatitis) rather than the movements of the fleas themselves.

Cause: Flea saliva injected when fleas bite. Symptoms: Intense itching, hair loss, scabs, red bumps, and skin infections, usually near the tail and back. Risks: Even a single flea bite can trigger severe reactions in sensitive cats.
Fleas and other skin parasites such as mites/mange, ticks, or lice. Flea bites can cause flea allergy dermatitis, an allergic reaction to flea bites that causes severe itchiness and often leads to skin infections. Since cats are fastidious groomers...