Alopecia associated with hyperthyroidism.

Alopecia(hair loss) can occur as a result of any chronic systemic illness, endocrinopathies, pregnancy, lactation and by certain drugs. Among endocrine disorders, thyroid disorders are common. Both hyper and hypothyroidism are associated with alopecia. A case of 28year old women who presented with thinning of eyebrow, loss of patch of scalp hair & leg hair was investigated. Her thyroid function studies confirmed the diagnosis of hyperthyroidism. After treatment with antithyroid drugs, the eyelashes, scalp hair & leg hair regrew. So, it may be concluded that hair loss may be an early sign of hyperthyroid state.