Receptors, HistamineHistamineHistamine AntagonistsHistamine AgonistsHistamine H1 AntagonistsMethylhistaminesReceptors, Histamine H1Receptors, Histamine H2AstemizolePyrilamineHistamine H2 AntagonistsCimetidineTerfenadineAntazolineTriprolidineChlorpheniramineReceptors, Histamine H3MetiamideDimapritImpromidineDiphenhydramineHistamine ReleaseHistidine DecarboxylaseHistamine H3 AntagonistsCetirizineHistamine N-MethyltransferaseThioureaBurimamideRanitidineDose-Response Relationship, DrugPiperidinesGuinea PigsHistamine H1 Antagonists, Non-SedatingFamotidineReceptors, G-Protein-CoupledDibenzylchlorethamineSialadenitisPheniramineMast CellsRats, Sprague-DawleyKetotifenInterleukin 1 Receptor Antagonist ProteinMuscle, SmoothImidazolesPromethazineSerotonin Receptor AgonistsMustard CompoundsPurinergic P1 Receptor AgonistsNeurokinin-1 Receptor AntagonistsDrug InteractionsClemastinePruritusCells, CulturedRadioligand AssayDopamine AgonistsCyclic AMPMuscle ContractionHistamine AgentsPurinergic P1 Receptor AntagonistsTracheaPyridinesAtropineReceptors, DrugSerotonin 5-HT1 Receptor AgonistsRats, WistarDopamine AntagonistsAdenosine A1 Receptor AgonistsSerotonin 5-HT2 Receptor AgonistsSerotonin AntagonistsIleumExcitatory Amino Acid AntagonistsAdenosine A2 Receptor AntagonistsThiazolesSerotonin 5-HT3 Receptor AntagonistsHypersensitivityNeuronsSerotonin 5-HT2 Receptor AntagonistsTime FactorsCalciumAdenosine A1 Receptor AntagonistsSerotoninNarcotic AntagonistsDogsAcetylcholineSignal TransductionReceptors, SerotoninAdenosineGABA Agonistsp-Methoxy-N-methylphenethylamineRNA, MessengerBenzazepinesMice, Inbred C57BLHormone AntagonistsAngiotensin Receptor AntagonistsRabbitsAdenosine A2 Receptor AgonistsGABA-A Receptor AgonistsInositol PhosphatesGABA-B Receptor AgonistsMuscarinic Antagonists