ClonidineDrug HypersensitivityAnaphylaxisHypersensitivityFood HypersensitivityPassive Cutaneous AnaphylaxisAdrenergic alpha-AgonistsImmunoglobulin EAllergensAnti-Allergic AgentsSkin TestsHypersensitivity, ImmediateDesensitization, ImmunologicAdrenergic alpha-2 Receptor AgonistsHistamine ReleaseInsect Bites and StingsAnisakisPeanut HypersensitivityEgg HypersensitivityMast CellsPatch TestsForssman AntigenAntigens, PlantReceptors, IgEYohimbineArachis hypogaeaNut HypersensitivityBasophilsMilk HypersensitivityPreanesthetic Medication2S Albumins, PlantReceptors, Adrenergic, alpha-2SympatholyticsArthus ReactionDrug EruptionsDermatitis, Allergic ContactUrticariaAdrenergic alpha-AntagonistsImidazoline ReceptorsVulvar VestibulitisReceptors, Adrenergic, alphaBasophil Degranulation TestBetulaHistamineLatex HypersensitivityBee VenomsCell DegranulationGuanfacineRespiratory HypersensitivityInjections, SpinalAnalgesicsEpinephrineDermatitis, OccupationalDiphenhydramineWasp VenomsLyciumPollenConjunctivitis, AllergicTattooingMethylprednisolone HemisuccinateHypersensitivity, DelayedDermatitis, ContactLens PlantOvalbuminIdazoxanHistamine AntagonistsPhenylenediaminesAdrenergic alpha-2 Receptor AntagonistsAnisakiasisAdjuvants, AnesthesiaVulvodyniaOxymetazolineEosinophilsGuinea PigsAminophyllineDermatitis, AtopicNutsBertholletiaDose-Response Relationship, Drugp-Methoxy-N-methylphenethylaminePrazosinNorepinephrineDouble-Blind MethodPlumbaginaceaeIntradermal TestsHistamine H1 AntagonistsAsparaginasePaeoniaAnt VenomsBlood PressurePropiophenonesPhentolamineAnalgesia, EpiduralTh2 CellsChemokine CCL11Receptors, AdrenergicPremedicationHeart RateWheat HypersensitivityRhinitis, Allergic, Seasonal