Trichotillomania: A current review.

This review provides a broad and thorough synthesis of the Trichotillomania (TTM) literature as a resource for health professionals seeking the most current and complete information available. For the treatment provider, up to date information can help inform assessment, treatment, or referral decisions. For the student, this review provides a general overview and broad background information necessary to better understand hair-pulling and associated problems. For the researcher, information can help inform study planning. Prevalence, gender distributions, comorbidities, subtypes, and phenomenological characteristics are presented. Etiological theories are reviewed, and assessment and treatment options are offered. The validity of current DSM requirements is discussed and psychological and psychiatric treatment options are presented and evaluated for their strength of recommendation. Challenges to research and treatment are presented and directions for future research are suggested.