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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.
They do not actually "bite", but instead form a hole in the skin called a stylostome and chew up tiny parts of the inner skin, thus causing irritation and swelling. The itching is accompanied by red, pimple-like bumps or hives and skin rash or lesions on a sun-exposed area. For humans, itching usually occurs after the larvae detach from the skin.
Specialty. Dermatology. Psychiatry. Excoriation disorder, more commonly known as dermatillomania, is a mental disorder on the obsessive–compulsive spectrum that is characterized by the repeated urge or impulse to pick at one's own skin, to the extent that either psychological or physical damage is caused. [ 4][ 5]
Chigger bites turn up near the ankles and behind the knees, along with any spot where your clothing fits tighter (a waistband, bra line, or the top of socks). “They will migrate to areas of ...
When World War I began and gold became more scarce, alloys were added to reduce the amount of gold. These days medals are required to contain just 6 grams of gold, which means they mostly consist ...
Chigger bites appear as small, itchy red bumps that show up in clusters, MedlinePlus explains. The bites may be pimple-like, blister-like or similar to hives. They typically appear in specific ...
Snakebite. A snakebite is an injury caused by the bite of a snake, especially a venomous snake. [ 9] A common sign of a bite from a venomous snake is the presence of two puncture wounds from the animal's fangs. [ 1] Sometimes venom injection from the bite may occur. [ 3] This may result in redness, swelling, and severe pain at the area, which ...
Wound licking is an instinctive response in humans and many other animals to cover an injury or second degree burn [ 1] with saliva. Dogs, cats, small rodents, horses, and primates all lick wounds. [ 2] Saliva contains tissue factor which promotes the blood clotting mechanism. The enzyme lysozyme is found in many tissues and is known to attack ...