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After some time, the repeated biting leaves the skin discolored and bloody. People with dermatophagia chew their skin out of compulsion, and can do so on a variety of places on their body. Those with dermatophagia typically chew the skin surrounding their fingernails and joints.
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.
Potential treatment for rats with autophagia is providing metronizadol, which helps prevent autophagia behaviors as well as it prevent from occurring again. An environmental treatment, is placing a physical barrier of New Skin or a mouth guard to prevent rats from chewing their own skin. [7]
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.
Risk factors include repeatedly washing hands and trauma to the cuticle such as may occur from repeated nail biting or hangnails. Treatment includes antibiotics and antifungals, and if pus is present, the consideration of incision and drainage. Paronychia is commonly misapplied as a synonym for herpetic whitlow or felon.
Tricho-phagy refers only to the chewing of hair, whereas tricho-phagia is ingestion of hair, but many texts refer to both habits as just trichophagia. It is considered a chronic psychiatric disorder of impulse control.
In more severe cases, the motions may become harmful to the individual, and may involve things such as ripping, tearing, or chewing at the skin around one's fingernails, lips, or other body parts to the point of bleeding. Psychomotor agitation is typically found in various mental disorders, especially in psychotic and mood disorders.
They tend to gravitate to folded areas of the skin to burrow, including between the fingers, the elbow and wrist area, the waist, around genitals, and the buttocks, etc.
Frostbite is a skin injury that occurs when exposed to extremely low temperatures, causing the freezing of the skin or other tissues, commonly affecting the fingers, toes, nose, ears, cheeks and chin areas.
Treatment is typically with cognitive behavioral therapy. The medication clomipramine may also be helpful, as will keeping fingernails clipped. [3] Trichotillomania is estimated to affect one to four percent of people.