PseudoephedrineLoratadineEphedrineNasal DecongestantsHistamine H1 Antagonists, Non-SedatingEphedraPhenylpropanolamineHistamine H1 AntagonistsTriprolidineNonprescription DrugsSneezingAnti-Allergic AgentsCetirizineDrug and Narcotic ControlCommon ColdRhinitis, Allergic, SeasonalTabletsButyrophenonesMethamphetamineNasal ObstructionRhinitis, Allergic, PerennialCyproheptadineKetoconazoleChlorpheniraminePromethazineLegislation, DrugConsumer Product SafetyDouble-Blind Method