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Alcohol flush reaction is a condition in which a person develops flushes or blotches associated with erythema on the face, neck, shoulders, ears, and in some cases, the entire body after consuming alcoholic beverages.
The term originally characterized farmers that had a red neck, caused by sunburn from long hours working in the fields.A citation from 1893 provides a definition as "poorer inhabitants of the rural districts ... men who work in the field, as a matter of course, generally have their skin stained red and burnt by the sun, and especially is this true of the back of their necks". [14]
The exact cause of poikiloderma of Civatte is unknown; however, extended sun exposure, namely the ultraviolet light emitted by the sun, is the primary factor. [2]
Poikiloderma of Civatte [1] is a cutaneous condition and refers to reticulated red to red-brown skin patches with telangiectasias. [2] It is identifiable as a reddish-brown discoloration on the side of the neck, usually on both sides.
Gastroenterostomy can also cause pellagra. [10] Chronic alcoholism can also cause poor absorption, which combined with a diet already low in niacin and tryptophan produces pellagra. [10] Hartnup disease is a genetic disorder that reduces tryptophan absorption, leading to pellagra. Alterations in protein metabolism may also produce pellagra-like ...
Experts explain causes, diagnosis, and treatments. Neck pain causes can be anything from sleeping in an uncomfortable position to serious neurological concerns. Experts explain causes, diagnosis ...
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One possible cause of Harlequin syndrome is a lesion to the preganglionic or postganglionic cervical sympathetic fibers and parasympathetic neurons of the ciliary ganglion. [7] It is also believed that torsion (twisting) of the thoracic spine can cause blockage of the anterior radicular artery leading to Harlequin syndrome. [ 8 ]