Concept

Stereotypic Movement Disorder as a Differential Diagnosis to Trichotillomania (Hair-Pulling Disorder)

Stereotypic movement disorder can sometimes involve hair pulling behavior. For example, a child with intellectual developmental disorder (intellectual disability) or autism spectrum disorder may engage in stereotypic head banging, hand or arm biting, and hair pulling when frustrated or angry, and sometimes when excited. This behavior, if impairing, would be diagnosed as stereotypic movement disorder.

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Updated 2023-06-11

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