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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 be a type of pica.
Damaged cuticles, shortened and damaged nails, hangnails, bleeding, etc. Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic 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.
Delusional parasitosis (DP) or delusional infestation[ 2] is a mental disorder in which individuals have a persistent delusion that they are infested with living or nonliving agents, such as parasites, insects, or bacteria, when no such infestation is present. [ 3] Individuals may present with dermatologic symptoms, such as excoriation or ...
Trombiculidae ( / trɒmbɪˈkjuːlɪdiː / ), commonly referred to in North America as chiggers and in Britain as harvest mites, but also known as berry bugs, bush-mites, red bugs or scrub-itch mites, are a family of mites. [ 3] Chiggers are often confused with jiggers – a type of flea. Several species of Trombiculidae in their larva stage ...
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 ...
Bed bug. Bed bugs are parasitic insects from the genus Cimex, who are micropredators that feed on blood, usually at night. [ 7] Their bites can result in a number of health impacts, including skin rashes, psychological effects, and allergic symptoms. [ 5] Bed bug bites may lead to skin changes ranging from small areas of redness to prominent ...
Demodex folliculorum is a microscopic mite that can survive only on the skin of humans. [ 2][ 3] Most people have D. folliculorum on their skin. Usually, the mites do not cause any harm, so are considered an example of commensalism rather than parasitism; [ 4] but they can cause disease, known as demodicosis. [ 5]
Common symptoms of a snake bite include: Severe pain, tenderness, and swelling. Bleeding and fang marks on the skin. Seizures. Numbness and tingling. Blurry vision. A taste of metal, mint, or ...