Rhinitis, Allergic, SeasonalRhinitis, Allergic, PerennialRhinitisAsthmaNasal ObstructionSneezingNasal Provocation TestsAnti-Allergic AgentsNasal MucosaAllergensRhinitis, AtrophicCetirizineLoratadinePollenHistamine H1 Antagonists, Non-SedatingSkin TestsHypersensitivityDesensitization, ImmunologicHistamine H1 AntagonistsRhinitis, VasomotorLeukotriene AntagonistsNasal DecongestantsAnti-Asthmatic AgentsNasal Lavage FluidImmunoglobulin ECryptomeriaHypersensitivity, ImmediateAdministration, IntranasalAdministration, SublingualEosinophil Cationic ProteinEczemaIntradermal TestsPyroglyphidaeSinusitisHistamine AntagonistsDermatitis, AtopicRespiratory SoundsRhinomanometryBronchial HyperreactivityTerfenadineEosinophilsAntigens, DermatophagoidesConjunctivitis, AllergicDermatophagoides pteronyssinusAdrenal Cortex HormonesTurbinatesAdministration, InhalationPrevalenceMethacholine ChlorideRespiratory HypersensitivityMitesCyproheptadineBronchoconstrictor AgentsAntigens, PlantAsthma, Exercise-InducedNasal CavityAmbrosiaForced Expiratory VolumeRhinometry, AcousticBronchial Provocation TestsBeclomethasoneSpirometryAsthma, OccupationalSublingual ImmunotherapyBetulaCoughHistamineSeverity of Illness IndexOvalbuminQuestionnairesPoaceaeNasal PolypsDermatophagoides farinaeRespiratory Function TestsAirway ResistanceQuinolinesDouble-Blind MethodCockroachesPeak Expiratory Flow RateReceptors, LeukotrieneChenopodium albumVisual Analog ScaleFood HypersensitivityCross-Sectional StudiesTh2 CellsBronchoconstrictionDibenzoxepinsPruritusBronchodilator AgentsOxymetazolineNaphazolineEosinophiliaAnti-Inflammatory AgentsQuality of LifeToluene 2,4-DiisocyanateAerosolsDustTertiary PreventionAcetatesCase-Control Studies