A disorder (classified as an impulse-control disorder not otherwise specified [nos] in dsm-iv-tr) in which the patient inflicts excessive scratching, picking, and squeezing on healthy skin. May be a symptom of a variety of psychiatric disorders, including stereotypic movement disorder, body dysmorphic disorder (bdd), and tourette’s disorder. Many patients with dermatillomania have a comorbid mood, anxiety, or somatoform disorder. Also known as psychogenic excoriation or compulsive skin picking.