Sudden whitening of the hair L67.8

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 16.04.2023

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Definition
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Acute graying or whitening of the entire head of hair, also called canities subita, is a rare condition in which the patient complains of graying of the hair "overnight." Canities subita has been associated with vitiligo, telogen effluvium, alopecia areata, and psychogenic causes (Shah VV et al. 2016; Tan SP et al. 2012).

Therapy
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Not known. Possible therapy for alopecia areata.

Literature
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  1. Shah VV et al (2016) Canities subita: Sudden blanching of the hair in history and literature. Int J Dermatol 55:362-364.
  2. Tan SP et al (2012) Sudden whitening of the hair in an 82-year-old woman: The 'overnight greying' phenomenon. Clin Exp Dermatol 37:458-459.

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Last updated on: 16.04.2023