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Dermatillomania
Classification and external resources
Dermatillomania (also known as neurotic excoriation, pathologic skin picking (PSP), compulsive skin picking (CSP) or psychogenic excoriation is a mental illness classified as an impulse control disorder characterized by the repeated urge to pick at one's own skin, often to the extent that damage is caused. Research has suggested that the urge to pick is similar to an obsessive compulsive disorder but others have argued that for some the condition is more akin to substance abuse disorder. The two main strategies for treating this condition are pharmacological and behavioral intervention.
Signs and symptoms
Episodes of skin picking are often preceded or accompanied by tension, anxiety, or stress.[4] During these moments, there is commonly a compulsive urge to pick, bite, or scratch at a surface or region of the body, often at the location of a perceived skin defect.
The region most commonly picked is the face, but other frequent locations include the arms, legs, back, gums, lips, shoulders, scalp, stomach, chest, and extremities such as the fingernails, cuticles, and toenails.[2] Most patients with dermatillomania report having a primary area of the body that they focus their picking on, but they will often move to other areas of the body to allow their primary picking area to heal.[2] Individuals with dermatillomania vary in their picking behaviour; some do it briefly multiple times a day while others can do one picking session that can last for hours.[5] The most common way to pick is to use the fingers although a significant minority of people use tools such as tweezers.[3]
Skin picking often occurs as a result of some other triggering cause. Some common triggers are feeling irregularities on the skin and feeling anxious or other negative feelings.[3]people with dermatillomania often lack concentration.
Complications arising from dermatillomania