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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.
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.
The most common way to pick is to use the fingers although a significant minority of people use tools such as tweezers or needles. Skin picking often occurs as a result of some other triggering cause. Some common triggers are feeling or examining irregularities on the skin, and feeling anxiety or other negative feelings.
To make a pinky promise, or pinky swear, is a traditional gesture most commonly practiced amongst children involving the locking of the pinkies of two people to signify that a promise has been made. The gesture is taken to signify that the person can break the finger of the one who broke the promise. [citation needed]
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.
Biting the fingers and lips is a definitive feature of Lesch–Nyhan syndrome; in other syndromes associated with self-injury, the behaviors usually consist of head banging and nonspecific self-mutilation, but not biting of the cheeks, lips and fingers.
Decoupling [1] is a behavioral self-help intervention for body-focused and related behaviors ( DSM-5) such as trichotillomania, onychophagia ( nail biting ), skin picking and lip-cheek biting. The user is instructed to modify the original dysfunctional behavioral path by performing a counter-movement shortly before completing the self-injurious ...
Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off. [1] It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched.
Nose picking is the act of extracting nasal mucus with one's finger (rhinotillexis) and may include the subsequent ingestion of the extracted mucus (mucophagy). In Western cultures, this act is generally considered to be socially deviant; [2] parents and pediatricians have historically tried to prevent development of the habit and attempt to ...
Non-communicable inflammation of the skin of the hands is referred to as hand eczema. Hand eczema is widely prevalent and, as it is a very visible condition associated with severe itching or pain, has serious consequences for the affected person including a high psychological impact.