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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.
Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [4] [5]
Autophagia refers to the practice of biting/consuming one's body. It is a sub category of self-injurious behavior (SIB). Commonly, it manifests in humans as nail biting and hair pulling. In rarer circumstances, it manifests as serious self mutilative behavior such as biting off one's fingers. Autophagia affects both humans and non humans.
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.
The self-injury begins with biting of the lips and tongue; as the disease progresses, affected individuals frequently develop finger biting and headbanging. The self-injury can increase during times of stress.
The problem doesn't stop at nails, either. Habitual nail-biters often chomp on the skin around their fingers, too, leaving open cuts and abrasions that could easily pick up even more bacteria or...
Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off. It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched.
A student from Australia had to have her thumb amputated after doctors diagnosed her with skin cancer following a nail-biting incident. Courtney Whithorn, 20, had developed a nail-biting habit ...
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 ...
Bites often appear as small, reddish, bumps that look like pimples, with severe itching that is often worse at night.