Flea Allergy Dermatitis in Dogs: Signs and Treatment

Flea allergy dermatitis is one of the most common causes of severe itching in dogs. Dogs with this condition are not just bothered by fleas themselves — they are allergic to flea saliva. Even a small number of flea bites can trigger intense scratching, chewing, and skin inflammation. Dr. Roger Hart at Bushnell Animal Clinic explains how flea allergy dermatitis affects dogs, what signs owners should watch for, and how it is treated.