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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 ...
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]
Often, the adjacent skin is bitten off, too, which is called perionychophagia, a special case of dermatophagia. Biting nails can lead to broken skin on the cuticle . When cuticles are improperly removed, they are susceptible to microbial and viral infections such as paronychia .
Dermatophagia, skin nibbling; Mouth Morsicatio buccarum, cheek biting; Morsicatio labiorum, inner lip biting; Morsicatio linguarum, tongue biting; Nails Onychophagia, nail biting; Onychotillomania, nail picking; Nose Rhinotillexomania, compulsive nose picking; Hair Trichophagia, hair nibbling; Trichotemnomania, hair cutting; Trichotillomania ...
Other forms of pica include dermatophagia, and compulsion of eating one's own hair, which can form a hairball in the stomach. Left untreated, this can cause death due to excessive hair buildup. Self-cannibalism can be a form of self-harm and a symptom of a mental disorder.
Signs and symptoms. Common repetitive movements of SMD include head banging, arm waving, hand shaking, rocking and rhythmic movements, self-biting, self-hitting, and skin-picking; other stereotypies are thumb-sucking, dermatophagia, nail biting, trichotillomania, bruxism and abnormal running or skipping. Cause
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Possible causes. This section will focus on the causes for autophagia in humans. There is no single primary cause for autophagia. Due to limited medical research which differentiates autophagia from typical nail biting practices, the causes of autophagia remain broad.
Dermatophyte (from Greek δέρμα derma "skin" (GEN δέρματος dermatos) and φυτόν phyton "plant") is a common label for a group of fungus of Arthrodermataceae that commonly causes skin disease in animals and humans. Traditionally, these anamorphic (asexual or imperfect fungi) mold genera are: Microsporum, Epidermophyton and ...
The Chvostek sign ( / ˈkvɒstɪk /) is a clinical sign that someone may have a low blood calcium level (a decreased serum calcium, called hypocalcemia ). The Chvostek sign is the abnormal twitching of muscles that are activated (innervated) by the facial nerve (also known as Cranial Nerve Seven, or CNVII). [1] When the facial nerve is tapped ...