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Dermatophagia is a type of pica and a body-focused repetitive behavior that involves gnawing or biting one's own skin, usually at the fingers. It can be conscious or unconscious, and it may be related to other disorders such as OCD or autism.
Excoriation disorder, also known as dermatillomania or skin picking disorder, is a mental disorder that causes repeated picking at one's own skin. It can be triggered by stress, anxiety, or perceived skin defects, and can lead to physical damage, infection, and psychological distress.
Nail biting is an oral habit of biting one's fingernails, which can be a sign of anxiety, stress or other disorders. It can lead to infections, dental problems, social stigma and low self-esteem. Learn about the signs, symptoms, related disorders and treatment options for nail biting.
Psychomotor agitation is a symptom of various disorders and health conditions, characterized by unintentional and purposeless motions and restlessness. It can include hand-wringing, pacing, nail-biting, and other actions, often accompanied by emotional distress.
Sucking blisters are rare skin conditions on newborns caused by their in-utero sucking reflexes. They usually heal within a week and do not require treatment, but may be confused with other blistering disorders.
Autophagia is the practice of biting or consuming one's own body, such as nails, hair or fingers. It is a sub category of self-injurious behavior and may be related to mental disorders, impulse control or pain seeking.
Herpetic whitlow is a herpes infection of the fingers, toes or nail cuticle, caused by HSV-1 or HSV-2. It can be painful, contagious and recurrent, and may require antiviral treatment or prevention.
Biting your nails is no picnic for your teeth, either. "Constant biting can lead to poor dental occlusion," says Richard Scher, M.D., an expert in nail disorders, "so the biter's teeth shift out ...