An itching in dog is normal?

Atopic dermatitis

Common Symptoms
itching, red skin, dry wound and scab
Atopic dermatitis refers to the skin that is exposed to allergen and other factors such as skin’s abnormal protection. Symptoms manifest themselves in puppies around 1-3 years. An itching is found on faces, ears and abdominals. Atopic dermatitis in dogs can be found in parallel to skin infection caused by bacteria and skin inflammation caused by the Malassezia yeast. Selected breeds are highly exposed to this disease.
Allergen’s triggers
house dust mite and flower pollen
Areas of itching
faces, ears and abdominals
Breeds of dogs vulnerable to atopic dermatitis
West Highland White Terrier, Shih Tzu, Shiba Inu, French Bulldog