"Flea allergy dermatitis is a health condition affecting some dogs who are allergic to flea saliva," Dr. Godfrey confirms. "When a flea bites, it causes an excessive reaction including lots of ...

Flea allergy dermatitis (FAD) is one of the most common skin diseases in dogs. It occurs when a dog ... often from just one flea bite. Symptoms include severe itching, hair loss, and scabs or ...

Most common dog allergies: • Flea allergy dermatitis (FAD) Some dogs are highly sensitive to allergens found in flea saliva. A single flea bite can trigger intense itching, particularly around ...