PseudoephedrineEphedrineNasal DecongestantsEphedraPhenylpropanolamineTriprolidineLoratadineNonprescription DrugsDrug and Narcotic ControlSneezingCetirizineCommon ColdAnesthesia, ObstetricalAnesthesia, SpinalMethamphetamineMedication ErrorsMedication AdherenceEphedra sinicaCentral Nervous System StimulantsLegislation, DrugHypotensionTabletsChlorpheniramineSympathomimeticsAmphetamineHistamine H1 Antagonists, Non-SedatingMetaraminolCesarean Section