Final answer:
Atopic dermatitis is the disorder that the dog has. It is a noninfectious disorder characterized by inflamed skin, itching, and hair loss.
Step-by-step explanation:
The dog in this scenario is showing signs of inflamed skin, itching, and hair loss, which are characteristic symptoms of Atopic dermatitis.
Atopic dermatitis is a noninfectious disorder that is caused by an overactive immune response to allergens in the environment. It is often seen in dogs with allergic tendencies, such as certain breeds.
Treatment for atopic dermatitis usually involves managing the underlying allergies, providing relief for the symptoms, and preventing secondary infections.