Rhinitis, Allergic, PerennialRhinitisRhinitis, Allergic, SeasonalNasal ObstructionAspirinAsthmaRhinitis, AtrophicRhinitis, VasomotorSneezingNasal Provocation TestsAnti-Allergic AgentsNasal MucosaPlatelet Aggregation InhibitorsAllergensSkin TestsAnti-Inflammatory Agents, Non-SteroidalNasal DecongestantsQuestionnairesSymptom AssessmentDepressionDesensitization, ImmunologicPollenHypersensitivityTreatment OutcomeSeverity of Illness IndexLoratadineTurbinatesPrevalenceImmunoglobulin ECetirizineEczemaHistamine H1 AntagonistsRisk FactorsHypersensitivity, ImmediateProspective StudiesNasal Lavage FluidCryptomeriaTime FactorsFollow-Up StudiesRespiratory SoundsLeukotriene AntagonistsQuality of LifeBehavioral SymptomsIntradermal TestsTiclopidineCross-Sectional StudiesAdministration, IntranasalPsychiatric Status Rating ScalesThromboxane B2CoughAdministration, SublingualConjunctivitis, AllergicSinusitisDrug Therapy, CombinationCyclooxygenase InhibitorsNasal CavityDermatitis, AtopicPlatelet AggregationRhinometry, AcousticSalicylatesRhinomanometryOccupational DiseasesCohort StudiesEosinophil Cationic ProteinAffective SymptomsBronchial Provocation TestsHistamine AntagonistsChronic DiseaseRetrospective StudiesPlatelet Function TestsComorbidityPyroglyphidaeRespiration DisordersDustRespiratory Tract DiseasesCase-Control StudiesRespiratory HypersensitivityAnxietyOccupational ExposureLongitudinal StudiesDepressive DisorderPasteurella multocidaGastrointestinal DiseasesAnti-Asthmatic AgentsSex FactorsFatigueDouble-Blind MethodAge FactorsMitesAntigens, DermatophagoidesDose-Response Relationship, DrugStress Disorders, Post-TraumaticPasteurella InfectionsAsthma, OccupationalFibrinolytic AgentsTerfenadineRecurrenceIncidenceConjunctivitisBlood Platelets