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Prognosis

In more than 90% of cases, hair grows back and fills the bald spot within one year, even without treatment. However, recurrences are common, and most people have several episodes of the disorder during a lifetime. Despite treatment, about 7% of people experience prolonged large areas of hair loss with little hair regrowth.

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From Health A-Z, Harvard Health Publications. Copyright 2007 by the President and Fellows of Harvard College. All rights reserved. Written permission is required to reproduce, in any manner, in whole or in part, the material contained herein. To make a reprint request, contact Harvard Health Publications. Used with permission of StayWell.

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