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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.
Trauma is the usual cause of the infection, such as from intravenous drug injection, insulin injection, animal and insect bites, catheter insertion over the skin, or a fistula connecting skin to the internal body organs. Skin infections such as abscess and ulcers can also complicate necrotizing fasciitis.
The pathophysiology of a spider bite is due to the effect of its venom. A spider envenomation occurs whenever a spider injects venom into the skin. Not all spider bites inject venom – a dry bite, and the amount of venom injected can vary based on the type of spider and the circumstances of the encounter. The mechanical injury from a spider ...
In addition to the bite itself, you might develop some other symptoms in the next few hours and days. The early signs of a spider bite may include: A raised, itchy bump or rash. Pain at the site ...
There's no doubt that nail-biting is very common-- it's been stigmatized as a bad habit that people train themselves to quit with all different sorts of methods.However, it turns out that the down ...
Even when spider do bite, normal ones typically cause a red raise bump that might itch and may only have mild symptoms of skin irritation. A Joro spider bite may have the same type of reaction ...
Frantic scratching, biting or grooming of tail and lower back; aggression towards other animals, humans and itself; and a rippling or rolling of the dorsal lumbar skin. Usual onset: Around 9–12 months, or when the cat reaches maturity. Duration: The syndrome will remain present for the cat's entire life, but episodes only last for one to two ...
A spider bite, also known as arachnidism, is an injury resulting from the bite of a spider. The effects of most bites are not serious. [1] Most bites result in mild symptoms around the area of the bite. [1] Rarely they may produce a necrotic skin wound or severe pain. [2] : 455. Most spiders do not cause bites that are of importance. [1]