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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.
What they look like: Mosquitoes leave itchy bumps on the skin that may swell and become red. These reactions typically appear within minutes after a bite, the Mayo Clinic says.In some people, the ...
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 ...
Self-harm is intentional conduct that is considered harmful to oneself. This is most commonly regarded as direct injury of one's own skin tissues usually without a suicidal intention. Other terms such as cutting, self-injury, and self-mutilation have been used for any self-harming behavior regardless of suicidal intent.
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 ...
Intense itching can leave sores and bruises. Like chiggers, the itching can be worse at night. “In adults, the mites rarely burrow into the skin above the neck,” Dr. Friedman says. Children ...
Hickey. A hickey, hickie or sometimes referred to as a love bite in British English, is a bruise or bruise-like mark caused by kissing or sucking skin, usually on the neck, arm, or earlobe. While biting may be part of giving a hickey, sucking is sufficient to burst small superficial blood vessels under the skin.
Biting your nails is no picnic for your teeth, either. "Constant biting can lead to poor dental occlusion," says Richard Scher, M.D., an expert in nail disorders, "so the biter's teeth shift out ...