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Since the DSM-5 (2013), excoriation disorder is classified as "L98.1 Excoriation (skin-picking) disorder" in ICD-10; [19] and is no longer classified in "Impulse control disorder" (f63). Excoriation disorder is defined as "repetitive and compulsive picking of skin which results in tissue damage". [3]
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 ...
Onychotillomania can be categorized as a body-focused repetitive behavior in the DSM-5 and is a form of skin picking, also known as excoriation disorder. It can be associated with psychiatric disorders such as depressive neurosis, delusions of infestation [2] and hypochondriasis. [3] It was named by Jan Alkiewicz, a Polish dermatologist. [4]
In children nail biting most typically co-occurs with attention deficit hyperactivity disorder (75% of nail biting cases in a study), [2] and other psychiatric disorders including oppositional defiant disorder (36%) and separation anxiety disorder (21%). [2] It is also more common among children and adolescents with obsessive–compulsive disorder.
Psychomotor agitation is a symptom in various disorders and health conditions. It is characterized by unintentional and purposeless motions and restlessness, often but not always accompanied by emotional distress. Typical manifestations include pacing around, wringing of the hands, uncontrolled tongue movement, pulling off clothing and putting ...
Bipolar I disorder (BD-I; pronounced "type one bipolar disorder") is a type of bipolar spectrum disorder characterized by the occurrence of at least one manic episode, with or without mixed or psychotic features. [1] Most people also, at other times, have one or more depressive episodes. [2] Typically, these manic episodes can last at least 7 ...
good if treated in time, poor if untreated. Post-traumatic embitterment disorder (PTED) is defined as a pathological reaction to a negative life event, which those affected experienced as a grave insult, humiliation, betrayal, or injustice. Prevalent emotions of PTED are embitterment, anger, fury, and hatred, especially against the triggering ...
The resulting behavior consists of the rats licking and then chewing their nails, and the tips of their toes. In extreme cases, the rats will chew off whole toes or even the foot. [10] In animals, autophagia tends to be restricted to the hind limbs and the lower parts of the abdomen. [3] Symptoms include chewing of limbs, paws and tails.