If your thyroid gland is overactive or underactive, your hair
may fall out. This hair loss
usually can be helped by treatment thyroid disease. Hair loss
may occur if male or female hormones, known as androgens and estrogens, are out of balance. Correcting the hormone imbalance may stop your hair loss.
This could be seborrhoeic dermatitis. It is a skin disorder affecting the scalp, face, and trunk causing scaly, flaky, itchy, red skin.