Alopecia areata is a common, non-scarring, autoimmune disorder affecting any hair-bearing area. It is often psychologically devastating. This disorder occurs in both the sexes, in all age groups, and is characterized by the sudden appearance of circumscribed areas of hair loss on the scalp or other parts of the body. Various therapeutic approaches are presently available for managing alopecia areata including corticosteroids, contact sensitizers and immunosuppressants, but none have been shown to alter the course of the disease on a consistent basis.
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