Written by Helen McKee (MRCVS), PDWRA Vet Advisor: Atopic Dermatitis (Itchy skin) Atopy is a condition where the body has an allergic reaction to certain substances (like pollen and household dust), and in dogs, it’s expressed as itchiness of the skin (atopic dermatitis). The immune system reacts inappropriately when the dog comes into contact with … Continue reading Atopic Dermatitis (Itchy skin!).