Allergies in Dogs: Remedies & Strategies to Stop the Itching Dogs secrete proteins that end up in their dander (dead skin), saliva, and urine. An allergic reaction occurs when a sensitive person’s immune system reacts abnormally to the usually harmless proteins. Different breeds produce different dander, so it’s possible to be more allergic to some … Continue reading Allergies in Dogs: Remedies & Strategies to Stop the Itching