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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.
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.
Chewing fingers (in extreme cases, leading to amputation) Possible causes. This section will focus on the causes for autophagia in humans. There is no single primary cause for autophagia. Due to limited medical research which differentiates autophagia from typical nail biting practices, the causes of autophagia remain broad.
How do you stop biting your nails? An approach called habit replacement could help nail biters quit. It could also help with skin picking and trichotillomania.
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.
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.
A hangnail is a small, torn piece of skin next to a fingernail or toenail, related to ingrown nails. Hangnails are typically caused by having dry skin, or by trauma to the fingers.
Wondering ‘why is my cat play biting?’ From predatory instincts to communication, we reveal the most common causes and how to nip this behavior in the bud.
Misophonia (or selective sound sensitivity syndrome, sound-rage) is a disorder of decreased tolerance to specific sounds or their associated stimuli, or cues. These cues, known as "triggers", are experienced as unpleasant or distressing and tend to evoke strong negative emotional, physiological, and behavioral responses that are not seen in ...