AnaphylaxisPassive Cutaneous AnaphylaxisPrevalenceFood HypersensitivityImmunoglobulin EDrug HypersensitivityInsect Bites and StingsSRS-AWheat HypersensitivityPeanut HypersensitivityMast CellsSkin TestsHistamine ReleaseUrticariaAllergensHistamineBasophilsBronchial SpasmAnti-Allergic AgentsCell DegranulationAnt VenomsEpinephrineDesensitization, ImmunologicHypersensitivityHistamine H1 AntagonistsCromolyn SodiumLatex HypersensitivityGlafenineHypersensitivity, ImmediateAutacoidsHistamine AntagonistsArachis hypogaeaOvalbuminAngioedemaLens PlantBee VenomsIntradermal TestsAdrenergic AgonistsAntigens, PlantNeuromuscular Blocking AgentsAscarisGuinea PigsNut HypersensitivityArthropod VenomsTryptasesReceptors, IgEDiethylcarbamazineReaginsRisk FactorsImmunoglobulin GPlatelet Activating FactorHymenopterap-Methoxy-N-methylphenethylamineAntigensCross-Sectional StudiesFagopyrumMethysergideBasophil Degranulation Test