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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.
The fingers have been compulsively picked and chewed in someone with excoriation disorder and dermatophagia. Compulsive picking of the face using nail pliers and tweezers. Episodes of skin picking are often preceded or accompanied by tension, anxiety, or stress. In some cases, following picking, the affected person may feel depressed.
Nail biting, also known as onychophagy or onychophagia, is an oral compulsive habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking.
Dermatographic urticaria is sometimes called "skin writing", as it is possible to mark deliberate patterns onto the skin. The condition manifests as an allergic-like reaction, causing a warm red wheal to appear on the skin. As it is often the result of scratches, involving contact with other materials, it can be confused with an allergic ...
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.
Dermatophagia – extreme nail biting / biting of skin to point of an obsessive compulsive disorder (OCD) or other condition leading to self mutilating behaviour such as autistic spectrum disorders (as is the case in this example) or Lesch-Nyhan Syndrome.
Frequency. 20% of the population [8] Dermatophytosis, also known as tinea and ringworm, is a fungal infection of the skin [2] (a dermatomycosis ), that may affect skin, hair, and nails. [1] Typically it results in a red, itchy, scaly, circular rash. [1] Hair loss may occur in the area affected. [1] Symptoms begin four to fourteen days after ...
Dermatophagia is specifically biting. Both involve damage up to the point where you actually hurt yourself and bleed, but the compulsion doesn't go away - and the scars from both look different, in my experience.
In the active skeletal growth, mouthbreathing, finger sucking, thumb sucking, pacifier sucking, onychophagia (nail biting), dermatophagia, pen biting, pencil biting, abnormal posture, deglutition disorders and other habits greatly influence the development of the face and dental arches.
Pagophagia (from Greek: pagos, frost/ice, + phagō, to eat [1]) is the compulsive consumption of ice or iced drinks. [2] It is a form of the disorder known as pica, which in Latin refers to a magpie that eats everything indiscriminately. [3] Its medical definition refers to the persistent consumption of nonnutritive substances for over a period ...