HistamineReceptors, Histamine H1Histamine AgonistsReceptors, Histamine H3Receptors, HistamineReceptors, Histamine H2Histamine H1 AntagonistsAminopyrineHistamine AntagonistsHistamine H2 AntagonistsGastric JuiceHistamine ReleaseHistamine H3 AntagonistsGastric MucosaMethylhistaminesDimapritChlorpheniramineCimetidineHistamine N-MethyltransferaseElectric StimulationMetiamidePyrilamineThioureaHistamine AgentsHistidine DecarboxylaseDiphenhydramineImpromidineGuinea PigsFamotidineBurimamideRanitidinePiperidinesDose-Response Relationship, DrugHistamine H1 Antagonists, Non-Sedatingp-Methoxy-N-methylphenethylamineMast CellsDoxepinStimulation, ChemicalIsothiuroniumTripelennamineGastric AcidTriprolidineTerfenadineRats, Sprague-DawleyCells, CulturedRadioligand AssayImidazolesRats, WistarBasophilsReceptors, G-Protein-CoupledKetotifenElectric Stimulation TherapyMuscle ContractionMuscle, SmoothAnaphylaxisPruritusTime FactorsCetirizineCyclic AMPHormone AntagonistsDibenzoxepinsPhysical StimulationBetahistineGuanidinesExcitatory Amino Acid AntagonistsDopamine AntagonistsNeurokinin-1 Receptor AntagonistsSignal TransductionSerotoninAtropinePentagastrinTracheaDeep Brain StimulationBinding, CompetitiveMuscarinic AntagonistsNorepinephrineDogsStomachAnti-Allergic AgentsMethacholine CompoundsDrug InteractionsCyproheptadineIleumPyridinesIndolesNarcotic AntagonistsAstemizoleCalciumCarbacholBradykininRats, Inbred StrainsCell LineCatsDibenzazepinesGastrinsTranscranial Magnetic StimulationKineticsBronchial Provocation TestsImmunoglobulin EInterleukin 1 Receptor Antagonist Protein