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Specialty. Psychiatry. Types. OCD. Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [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 considered to ...
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.
Causes. Acute paronychia is usually caused by bacteria. It is often treated with antibiotics, either topical (applied to the skin) or oral (taken by mouth), or both. Chronic paronychia is most often caused by a yeast infection of the soft tissues around the nail but can also be traced to a bacterial infection.
When you bite your nails, you're transferring potentially dangerous bacteria into your vital organs, putting yourself at risk for abdominal pain and/or infection.
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.
Tinea manuum is a fungal infection of the hand, mostly a type of dermatophytosis, often part of two feet-one hand syndrome. [2] [4] There is diffuse scaling on the palms or back of usually one hand and the palmer creases appear more prominent. [2]
The most common way to pick is to use the fingers although a significant minority of people use tools such as tweezers or needles. Skin picking often occurs as a result of some other triggering cause. Some common triggers are feeling or examining irregularities on the skin, and feeling anxiety or other negative feelings.
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Formication is the sensation resembling that of small insects crawling on (or under) the skin, in the absence of actual insects. It is one specific form of a set of sensations known as paresthesias , which also include the more common prickling, tingling sensation known as pins and needles.
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.