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Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers.
Odlaug and Grant also argue that dermatillomania could have several different psychological causes, which would explain why some patients seem more likely to have symptoms of OCD, and others, of an addiction. They suggest that treating certain cases of excoriation as an addiction may yield more success than treating them as a form of OCD.
Often, the adjacent skin is bitten off, too, which is called perionychophagia, a special case of dermatophagia. Biting nails can lead to broken skin on the cuticle . When cuticles are improperly removed, they are susceptible to microbial and viral infections such as paronychia .
Causes. Fungi thrive in moist, warm areas, such as locker rooms, tanning beds, swimming pools, and skin folds; accordingly, those that cause dermatophytosis may be spread by using exercise machines that have not been disinfected after use, or by sharing towels, clothing, footwear, or hairbrushes. Diagnosis
Dermatophyte (from Greek δέρμα derma "skin" (GEN δέρματος dermatos) and φυτόν phyton "plant") is a common label for a group of fungus of Arthrodermataceae that commonly causes skin disease in animals and humans.
Body-focused repetitive behavior. Dermatillomania (picking of the skin) of the knuckles (via mouth), illustrating disfiguration of the distal and proximal joints of the middle and little fingers. Body-focused repetitive behavior ( BFRB) is an umbrella name for impulse control [1] behaviors involving compulsively damaging one's physical ...
Other forms of pica include dermatophagia, and compulsion of eating one's own hair, which can form a hairball in the stomach. Left untreated, this can cause death due to excessive hair buildup. Self-cannibalism can be a form of self-harm and a symptom of a mental disorder.
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Causes. Symptoms are thought to be the result of histamine being released by mast cells on the surface of the skin. Despite the lack of antigens, histamine causes the skin to swell in affected areas.
Areas represented in image (distals) are most common locations for acute esophageal necrosis to occur. AEN defines itself predominantly in the first of three distals of the esophagus. [2] Acute esophageal necrosis ( AEN ), black esophagus, or Gurvits syndrome is a rare esophageal disorder.