HistamineBronchial Provocation TestsNasal Provocation TestsErgonovineCoronary VasospasmReceptors, Histamine H1Histamine ReleaseReceptors, Histamine H2Receptors, HistamineHistamine AntagonistsHistamine AgonistsAngina Pectoris, VariantHistamine H1 AntagonistsSkin TestsReceptors, Histamine H3Methacholine ChlorideAsthmaImmunologic TestsRaynaud DiseaseRhinitis, Allergic, SeasonalDrug HypersensitivityVibrationConjunctivitis, AllergicHistamine H2 AntagonistsAllergensBronchial HyperreactivityOxytocicsOccupational DiseasesAlveolitis, Extrinsic AllergicHyperventilationForced Expiratory VolumeBronchoconstrictor AgentsRhinitis, Allergic, PerennialCromolyn SodiumCold TemperatureKetotifenFingersHistamine N-MethyltransferaseDermatophagoides pteronyssinusPyrilamineImmunoglobulin EPollenSkin TemperatureUrticariaPelvic PainAnaphylaxisAcetylcholineSpirometryHistidine DecarboxylaseMetallurgyRhinitisMethylhistaminesDimapritHistamine H3 AntagonistsAdministration, InhalationHistamine AgentsAngina PectorisCimetidineCoronary AngiographyChlorpheniramineChest PainBronchoconstrictionRespiratory Function TestsOccupational ExposureVital CapacityMast CellsMetiamideDouble-Blind MethodDiphenhydramineSneezingLungp-Methoxy-N-methylphenethylamineHistamine H1 Antagonists, Non-SedatingAspirinAirway ResistanceElectrocardiographyHypersensitivity, ImmediateMethacholine CompoundsBasophilsBronchiHypersensitivityRhinomanometrySensitivity and SpecificityClemastineRhinometry, AcousticAsthma, Exercise-InducedAnti-Allergic AgentsImpromidineThioureaTilt-Table TestGuinea PigsToluene 2,4-DiisocyanateFollow-Up StudiesAjmalineRetrospective Studies