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OCD. 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 ...
There have been many different theories regarding the causes of excoriation disorder, including biological and environmental factors. [10]A common hypothesis is that excoriation disorder is often a coping mechanism to deal with elevated levels of turmoil, boredom, anxiety, or stress within the individual, and that the individual has an impaired stress response.
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.
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]
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 ...
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.
Primarily obsessional obsessive–compulsive disorder, also known as purely obsessional obsessive–compulsive disorder (Pure O), [1] is a lesser-known form or manifestation of OCD. It is not a diagnosis in the DSM-5. [2] For people with primarily obsessional OCD, there are fewer observable compulsions, compared to those commonly seen with the ...
The revised third edition (DSM-III-R) mentions ORS in the text, stating that "convictions that the person emits a foul odor are one of the most common types of delusion disorder, somatic type." [5] The fourth edition (DSM-IV), does not use the term ORS [5] but again mentions such a condition under "delusional disorder, somatic type", [2 ...