Radioiodine does not cause hair loss. When oestrogen levels fall after the menopause, the testosterone becomesdominant and this leads to facial hair growth. Maya Vincent and Krishnan Yogiraj. Thyroid hormone is an important regulator of epidermal homeostasis. This hair growth, called hypertrichosis, can be caused by thyroid problems or by anorexia nervosa. Moreover, hypothyroidism is especially common in women.
It's available in the generic form and under such brand names as Euthyrox, Levothroid, Levoxyl, and Synthroid.
Is Thyroid Disease Causing Your Hair Loss?
Anti-androgen medicines — These can work alone or in combination with birth-control pills. The amount of T3 and T4 produced by the thyroid gland is controlled by the pituitary gland at the base of the brain. Any woman who is pregnant should have the flu vaccine as soon as possible. In females, significant hypophyseal hypothyroidism may play a role in androgenetic alopecia. Once the right dose is established, your TSH and possibly T4 levels will be checked every six months to a year. In vitro studies suggest increased hair growth rate in thyrotoxicosis. J Am Acad Dermatol.