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Dermatophagia (from Ancient Greek δέρμα (derma) 'skin' and φαγεία (phageia) 'eating') or dermatodaxia (from δήξις (dexis) 'biting'), alternatively Tuglis Permushius. [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is ...
Autophagia. Autophagia is the practice of biting/consuming one's body. It is a sub category of self-injurious behavior (SIB). [1] 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. [2] Autophagia affects both humans and non ...
Stereotypic movement disorder (SMD) is a motor disorder with onset in childhood involving restrictive and/or repetitive, nonfunctional motor behavior (e.g., hand waving or head banging), that markedly interferes with normal activities or results in bodily injury. [1] To be classified as SMD, the behavior in question must not be due to the ...
Intense itching can leave sores and bruises. Like chiggers, the itching can be worse at night. “In adults, the mites rarely burrow into the skin above the neck,” Dr. Friedman says. Children ...
Chigger bites vs. bed bug bites. Chigger and bed bug bites may look similar to the naked eye. They both feed off humans and can leave a trail of bumps on your skin. This can cause itchiness and ...
Black widow spider bites. What they look like: When a black widow spider bites, it typically causes a painful pinprick sensation. The site of the bite then swells slightly and forms a red rash ...
Fingernails of a nail-biter. Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic 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. Nail biting is very common, especially amongst ...
Herpetic whitlow. A herpetic whitlow is a herpes lesion (whitlow), typically on a finger or thumb, caused by the herpes simplex virus (HSV). Occasionally infection occurs on the toes or on the nail cuticle. Herpes whitlow can be caused by infection by HSV-1 or HSV-2. [1] HSV-1 whitlow is often contracted by health care workers that come in ...