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The exact mechanism of the condition is unknown. Some studies have suggested the itching occurs in response to increased fibrinolytic activity in the skin, [5] [6] inappropriate activation of the sympathetic nervous system, [7] increased activity of acetylcholinesterase, [8] [9] or an increase in mast cell degranulation that releases histamine and other chemicals into the body.
Xeroderma occurs most commonly on the scalp, lower legs, arms, hands, knuckles, the sides of the abdomen, and thighs. Symptoms most associated with xeroderma are such skin conditions as scaling (the visible peeling of the outer skin layer), itching, and skin fissures (cracked skin). [3]
Cold urticaria (essentially meaning cold hives) is a disorder in which large red welts called hives (urticaria) form on the skin after exposure to a cold stimulus. [1] The hives are usually itchy and often the hands, feet and other parts of the body will become itchy and swollen as well.
But why does it happen so frequently? There are plenty of causes of dry and itchy skin, a few of which are simple mistakes you're making. But why does it happen so frequently?
Why do armpits itch? The combined area that is the armpit and axilla (the space below the underarm) is one of the body’s highest erogenous zones, meaning it’s full of nerve endings, ...
Hives, also known as urticaria, is a kind of skin rash with red and/or flesh-colored, raised, itchy bumps. [1] Hives may burn or sting. [2] The patches of rash may appear on different body parts, [2] with variable duration from minutes to days, and do not leave any long-lasting skin change. [2]
All these rashes are made worse by exposure to sunlight, and are often very itchy, painful, and may bleed. [ 10 ] If a person exhibits only skin findings characteristic of DM, without weakness or abnormal muscle enzymes, then he or she may be experiencing amyopathic dermatomyositis (ADM), formerly known as "dermatomyositis sine myositis".
Constant knuckle cracking may also be considered a compulsive body-focused repetitive behavior by mental health professionals. “If you’re finding that you need to crack your knuckles often ...