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Trichotillomania - Overview

Alternative Names

Trichotillosis; Compulsive hair pulling

Definition of Trichotillomania:

Trichotillomania is hair loss from repeated urges to pull or twist the hair until it breaks off. Patients are unable to stop this behavior, even as their hair becomes thinner.

Causes, incidence, and risk factors:

Trichotillomania is a type of impulsive control disorder. Its causes are not clearly understood.

It may affect as much as 4% of the population. Women are four times more likely to be affected than men.

Trichotillomania - top of the head

Reviewed last on: 7/20/2011
A.D.A.M. Editorial Team: David Zieve, MD, MHA, and David R. Eltz. Previously reviewed by Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; and Michelle Benger Merrill, MD, Instructor in Clinical Psychiatry, Department of Psychiatry, Columbia University Medical Center, New York, NY (2/18/2010).

References

Morelli JG. Disorders of the hair. In: Kliegman RM, Behrman RE, Jenson HB, Stanton BF, eds. Nelson Textbook of Pediatrics. 18th ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 661.

Kratochvil CJ, Bloch MH. Trichotillomania across the life span. J Am Acad Child Adolesc Psychiatry. 2009;48:879-883.

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