There are many other causes like hypothyroidism, other metabolic disorders like Cushing's disease, short -
coated pyoderma (which pits are predisposed to), alopecia x and other unknown causes of baldness, etc..
The seasonal effects of allergies to inhalants and ectoparasites such as fleas, followed by the onset of skin and
coat disorders including
pyoderma, allergic dermatitis, alopecia, and intense itching, have also been linked to changes in behavior.