Cholinergic pruritus in a horse.
An 8-year-old gelding, with a 1-year history of intense pruritus only after exercise, was diagnosed as having cholinergic pruritus. Provocative testing, using exercise and hot-water baths to increase core body temperature, assisted in the diagnosis. Cholinergic pruritus in human beings is a variant of the more common syndrome, cholinergic urticaria, which is characterized by intense pruritus and pinpoint urticaria. With cholinergic pruritus, intense itching results without urticaria. Specific diagnostic laboratory tests have not been developed.
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Blanche Saunders Dermatology Laboratory, Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville 32610-0103.
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Calderwood-Mays
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Frank
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D000821:Animal Feed / Q000009:adverse effects; D000818:Animals; D002799:Cholinergic Fibers / Q000378:metabolism*; D006734:Horse Diseases / Q000178:diet therapy / Q000209:etiology*; D006736:Horses; D008297:Male; D005082:Physical Exertion; D011537:Pruritus / Q000178:diet therapy / Q000209:etiology / Q000662:veterinary*