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It is not the same as onychophagia, where the nails are bitten or chewed, or dermatillomania, where skin is bitten or scratched. 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 .
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.
The scalp is the most common pulling site, followed by the eyebrows, eyelashes, face, arms, and legs. [10] Some less common areas include the pubic area, underarms, beard, and chest. [11] The classic presentation is the "Friar Tuck" form of crown alopecia (loss of hair at the "crown" of the head, also known as the "vertex"). [12]
Skin Picking Stats: Grant J, Odlaug B, Chamberlain S, et al. Skin Picking Disorder. The American Journal of Psychiatry. November 2012. Excoriation Disorder Added to DSM-5-TR: Excoriation Disorder ...
“Signs that scalp scabs may be related to an infection or underlying health condition include persistent itch, redness, pus, hair loss, or lack of response to over-the-counter treatments ...
Blisters in particular can cause a feeling of desire to pull or bite off the affected skin and nails (since the skin is dead, thus easily pulled off), which could be detrimental, causing infection. Another disorder, known as excoriation disorder , the repetitive action of uncontrollably picking at one's skin, can sometimes accompany dermatophagia.
Other symptoms to note: This rash is itchy and can cause hair loss when it occurs on the scalp. The same fungus can also cause athlete’s foot and jock itch. The same fungus can also cause ...
The underlying cause is habitual skin picking as a body-focused repetitive behavior which often worsens during times of stress, boredom, or inactivity. [4] [1] In the past, habit-tic deformity has been linked to anxiety, tic disorder, and obsessive-compulsive disorder. [5] However, there is no preceding anxiety and subsequent relief felt by an ...