cholinergic urticaria


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Related to cholinergic urticaria: Cold urticaria

cho·lin·er·gic ur·ti·car·i·a

a form of physical or nonallergic urticaria initiated by heat (for example, hot baths, physical exercise, pyrexia, exposure to sun or to a warm room) or by excitement; the rather distinctive lesions consist of pruritic areas 1-2 mm in diameter surrounded by bright red macules.
Synonym(s): heat urticaria

cholinergic urticaria

Etymology: Gk, chole + ergon, to work; L, urtica, nettle
an abnormal and usually temporary vascular reaction of the skin, often associated with sweating, in susceptible individuals subjected to stress, strong exertion, or hot weather. The condition is characterized by small, pale, itchy papules surrounded by reddish areas. It is caused by the action of acetylcholine on mast cells. Compare urticaria.
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Cholinergic urticaria

cho·lin·er·gic ur·ti·car·i·a

(kō'lin-ĕr'jik ŭr'ti-kar'ē-ă)
A form of physical or nonallergic urticaria initiated by heat (e.g., hot baths, physical exercise, pyrexia, exposure to sun or to a warm room) or by excitement; the rather distinctive lesions consist of pruritic areas 1-2 mm in diameter surrounded by bright red macules.
Synonym(s): heat urticaria.

cholinergic urticaria

Urticaria that develops after exposure to high ambient temperatures (e.g., after exercise, a warm shower or bath, or during a fever). The hives that develop are typically small (1 to 3 mm) and are often surrounded by erythema. Synonym: generalized heat urticaria
See also: urticaria
References in periodicals archive ?
Diagnosis of aquagenic urticaria is confirmed by wet cloth at body temperature applied for 20 min and cholinergic urticaria by exercise and hot bath provocation test.
Classification of urticaria Type Subtype Spontaneous urticaria Acute and chronic spontaneous urticaria Physical urticaria Cold urticaria Delayed pressure urticaria Hot urticaria Solar urticaria Dermographism Vibration urticaria Other Aquagenic urticaria Cholinergic urticaria Contact urticaria Exercise induced anaphylaxisurticaria Table 2.
Intertrigo Erythema annulare centrifugum Insect bite Urticaria pigmentosa Cholinergic urticaria Erythema marginatum Erythema chronicum migrans Lyme disease Erythema gyratum repens