Concept

Neurodevelopmental Disorders as Differential Diagnoses to Excoriation (Skin-Picking Disorder)

While stereotypic movement disorder may be characterized by repetitive self-injurious behavior, onset is in the early developmental period. For example, individuals with the neurogenetic condition Prader-Willi syndrome may have early onset of skin picking, and their symptoms may meet criteria for stereotypic movement disorder. While tics in individuals with Tourette’s disorder may lead to self injury, the behavior is not tic-like in excoriation disorder.

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Updated 2023-07-09

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