Flea-allergic dermatitis (FAD) is an allergy to flea saliva. Cats with FAD experience intense itching and a rash each time they are bitten by a flea.
Flea allergies in cats. Some cats experience severe itching even after only being bitten once or twice because they are allergic to fleas.Lila Batiari, DVM is a relief veterinarian located in San Diego, California. She has a special interest in nutrition, pain management, and surgery!

Cat flea sprays. Sprays are also used less frequently than they used to be, thanks mainly to the invention of the spot-on treatments. The noise of the spray can also upset nervous cats.

Cat Fleas Symptoms, Diagnosis and Treatment. Key Takeaways. Flea Allergy Dermatitis (FAD): This is the most common skin problem in cats caused by an allergic reaction to flea bites, leading to itching, hair loss, and dry skin.

Flea allergy dermatitis occurs when a pets immune system reacts strongly to proteins in flea saliva. For allergic pets, even a single flea bite can trigger severe inflammation, redness, and relentless itching. Without prompt care, the skin barrier can break down, leading to painful infections.
Flea Allergy Dermatitis in Cats VCA Animal Hospitals.
Symptoms of flea allergic dermatitis in cats.Flea allergy dermatitis is usually diagnosed based on the symptoms your cat is showing. This includes the area of the body that is affected. You can do the flea paper test to check for flea dirt in your cat's fur.