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An impulse control disorder in which the person feels the need to repetitively pick at or scratch their skin when they are stressed or anxious. People with dermatillomania usually have very low self-esteem and can also suffer from depression or an anxiety disorder.
She knew she was going to regret it later, but she couldn't stop scratching her arms.

Her dermatillomania was so severe that it had caused tissue damage where she picked at her skin the most.
by Alexis17 November 09, 2011
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