Dermatothlasia
Encyclopedia
Dermatothlasia is a cutaneous neurosis characterized by a person's uncontrollable desire to rub or pinch
Pinch
Pinch may refer to:* Pinch , the gripping of part of a substance, such as a powder or the skin* Pinch , a very small amount of an ingredient, typically salt or a spice* Pinch, West Virginia-Mathematics and Science:...

 him/herself to form bruised areas on the skin, sometimes as a defense against pain
Pain
Pain is an unpleasant sensation often caused by intense or damaging stimuli such as stubbing a toe, burning a finger, putting iodine on a cut, and bumping the "funny bone."...

elsewhere.
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