PseudoephedrineCetirizineEphedrineNasal DecongestantsHistamine H1 Antagonists, Non-SedatingHydroxyzineLoratadineEphedraTriprolidinePhenylpropanolamineHistamine H1 AntagonistsSneezingTerfenadineNonprescription DrugsChlorpheniramineAnti-Allergic AgentsDrug and Narcotic ControlAstemizoleNasal ObstructionCommon ColdRhinitis, Allergic, SeasonalCedrusRhinitis, Allergic, PerennialMethamphetamineReceptors, Histamine H1ButanesTabletsUrticariaLegislation, DrugHistamine AntagonistsDouble-Blind MethodOctanols