urticariahistorybetween1000-"FengYinZheng"in"TheYellowEmperor'sInnerClassic"Hippokrates(460-377BC)tle(knido).Thewordurticariawasfirstintroducedin1769byWilliamCullenWhatisurticaria(hives)?RedorpaleitchywhealsOnskinDisappearWithnothingleftinfewhoursClassificationAU(acuteurticaria)(<6wk)CU(Chronicurticaria)(>6wk)Physicalurticariaepidemiology15%to25%ofindividualswillexperienceatleast1episodeofurticariaacutecases(70%)monthanchronic(30%)moninchildrenandadolescentsthaninadults,,womenareaffectedmoreoftenthanmen(60%versus40%ofcases,respectively).diagnosisWhealsappear,,:spicyfood,egg,fish,:pound–:aspirin,certainantibiotics,NSAID.,codeine,morphineinhalants:-pollen-spore–:psychologicalfactorplayimportantrolecertainsystemicdiseases:,malignancy[lymphoma]endocrinediseasesas[],liverdisease,pregnancyClinicalsignsAU(acuteurticaria) CU(chronicurticaria)
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