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Cholinergic urticaria may significantly impair quality of life, especially in relation to normal day to day activities. It is caused by an overreaction of the immune system to the release of histamine, mast cells, and other chemicals in response to the small nerve fibers throughout the body due to the increase in body temperature being allergic ...
Cholinergic urticaria or sharp pain over the entire body induced by elevated body temperature was reported in 32 cases (50%). Of 28 cases tested, 12 (43%) displayed elevated serum IgE levels. Skin biopsy was performed in 53 cases, with normal findings in 20 cases (38%), and cellular infiltrates in sweat glands or ducts in 23 cases (43%).
Cholinergic urticaria (CU) is one of the physical urticaria (hives) which is provoked during sweating events such as exercise, bathing, staying in a heated environment, or emotional stress. The hives produced are typically smaller than classic hives and are generally shorter-lasting.
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]
However, the understanding of urticaria as an autoimmune condition is a relatively recent development in medical history. [14] The term autoimmune urticaria refers to a subset of chronic spontaneous urticaria (CSU) cases where the immune system appears to play a significant role. This understanding began to evolve in the mid to late 20th ...
Researchers found that patients with systemic lupus erythematosus, rheumatoid arthritis, thyroid issues, celiac disease, Sjögren syndrome, and type 1 diabetes had higher rates of these conditions than those with chronic urticaria in a study involving a database of 13,000 patients compared to 10,000 control subjects. [12]
Acquired idiopathic generalized anhidrosis appears to have a variety of etiologies. Theoretically, dysfunction or degeneration of cholinergic sympathetic nerve fibers involved in sweating (sudomotor neuropathy), dysfunction of acetylcholine receptors and/or cholinergic signals (idiopathic pure sudomotor failure may fall under this category), and primary failures of the sweat glands with ...
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