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Dermatophagia. 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 be a type of pica.
The main BFRB disorders are: Skin Dermatillomania (excoriation disorder), skin picking; 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 ...
Signs and symptoms Compulsive picking of the knuckles (via mouth) illustrating potentially temporary disfiguration of the distal and proximal joints of the middle and little fingers. The fingers have been compulsively picked and chewed in someone with excoriation disorder and dermatophagia.
Symptoms. Common symptoms in humans include: Nail biting; Pulling hair; Chewing fingers (in extreme cases, leading to amputation) Possible causes. This section will focus on the causes for autophagia in humans. There is no single primary cause for autophagia.
Russell's sign, named after British psychiatrist Gerald Russell, is a sign [1] defined as calluses on the knuckles [2] or back of the hand due to repeated self-induced vomiting over long periods of time. The condition generally arises from the patient's knuckles making contact with the incisor teeth during the act of inducing the gag reflex at ...
picking at skin, as either a sign of PMA or even progressing to a disorder (excoriation disorder) tapping fingers; tapping feet; starting and stopping tasks abruptly; talking very quickly; moving objects around for no reason; taking off clothes then putting them back on; Causes. Causes include: Schizophrenia; Bipolar disorder
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.
Biting the fingers and lips is a definitive feature of Lesch–Nyhan syndrome; in other syndromes associated with self-injury, the behaviors usually consist of head banging and nonspecific self-mutilation, but not biting of the cheeks, lips and fingers.
Onychotillomania is a compulsive behavior in which a person picks constantly at the nails or tries to tear them off. [1] It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched.
The skin between the fingers and toes may be fused (cutaneous syndactyly). This disorder is also characterized by widely spaced eyes (ocular hypertelorism), an abnormally large head size (macrocephaly), and a high, prominent forehead. Rarely, affected individuals may have more serious medical problems including seizures and developmental delay.