Rhinitis, Allergic, SeasonalRhinitis, Allergic, PerennialRhinitisNasal ObstructionSneezingNasal Provocation TestsAnti-Allergic AgentsNasal MucosaRhinitis, AtrophicLoratadineCetirizineAllergensHistamine H1 Antagonists, Non-SedatingPollenAsthmaDesensitization, ImmunologicRhinitis, VasomotorHistamine H1 AntagonistsNasal DecongestantsSkin TestsNasal Lavage FluidHypersensitivityImmunoglobulin ELeukotriene AntagonistsCryptomeriaAdministration, IntranasalAdministration, SublingualEczemaIntradermal TestsEosinophil Cationic ProteinHistamine AntagonistsRhinomanometryHypersensitivity, ImmediateSinusitisTerfenadinePyroglyphidaeDermatitis, AtopicTurbinatesDermatophagoides pteronyssinusConjunctivitis, AllergicAntigens, DermatophagoidesCyproheptadineNasal CavityAntigens, PlantRhinometry, AcousticBronchial Provocation TestsEosinophilsAmbrosiaSublingual ImmunotherapyMitesRespiratory SoundsRespiratory HypersensitivityBetulaPrevalenceAnti-Asthmatic AgentsBronchoconstrictor AgentsPoaceaeBronchial HyperreactivityMethacholine ChlorideDermatophagoides farinaeHistamineAdrenal Cortex HormonesNasal PolypsChenopodium albumVisual Analog ScaleDibenzoxepinsOxymetazolineNaphazolinePruritusCoughReceptors, LeukotrieneQuinolinesBeclomethasoneDustFood HypersensitivityTertiary PreventionSpirometryAirway ResistanceOvalbuminMouth BreathingDouble-Blind MethodCockroachesFluocinolone AcetonideQuestionnairesNoseEosinophil Granule ProteinsSeverity of Illness IndexArtemisiaPregnadienediolsSteam BathAcetatesTh2 CellsAdministration, InhalationLeukotriene D4Common ColdCross-Sectional StudiesUrticariaConjunctivitisGermany, WestNasal Sprays