Trichotillomania is a little-known disorder with wider prevalence and more significant consequences than previously believed. While sharing similarities with obsessive-compulsive disorder, compelling differences from it have also been noted. This fact, coupled with recognized overlap with other obsessive-compulsive spectrum disorders, has resulted in the ongoing evolution of our conceptualization of this illness. While empirical evidence supports the use of behavioral treatment and pharmacotherapy, considerable research is still needed before we can promise highly effective interventions tailored to the individual hairpuller. This review will summarize the evidence supporting, as well as challenging, a hypothesized link with obsessive-compulsive disorder. Current treatment approaches will be reviewed, as well as evidence for their efficacy. Suggestions will be made for future directions in this field.

Keywords:
Trichotillomania, Hairpulling, Obsessive-compulsive disorder, Behavioral treatment, Pharmacotherapy, Review
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