Pulmonary Disease, Chronic ObstructiveAsthmaBronchodilator AgentsForced Expiratory VolumeSputumAdrenal Cortex HormonesAcute DiseaseBronchitis, ChronicIschemic Attack, TransientPicornaviridae InfectionsBronchitisAnti-Asthmatic AgentsAdministration, InhalationDisease ProgressionRhinovirusScopolamine DerivativesSeverity of Illness IndexExpectorantsAlbuterolCystic FibrosisRespiratory Function TestsTime FactorsPeak Expiratory Flow RateCholinergic AntagonistsTreatment OutcomeRespiratory Tract InfectionsDyspneaBronchiectasisLung Diseases, ObstructiveSpirometryHospitalizationBudesonideProspective StudiesDouble-Blind MethodVital CapacityStatus AsthmaticusLungAnti-Bacterial AgentsNebulizers and VaporizersCalciumPulmonary MedicineVirus DiseasesGlucocorticoidsInhalation SpacersAndrostadienesCommon ColdRecurrenceIdiopathic Pulmonary FibrosisChronic DiseaseEthanolaminesQuality of LifeAdrenergic beta-AgonistsAdrenergic beta-2 Receptor AgonistsDrug Therapy, CombinationRetrospective StudiesBacterial InfectionsRespiratory System AgentsBiological MarkersAnti-Inflammatory AgentsMetered Dose InhalersNasal LavageCells, CulturedAzithromycinOxygen Inhalation TherapyTransient Receptor Potential ChannelsFollow-Up StudiesRespiratory InsufficiencyRisk FactorsCoughPrednisoloneInflammationDisease Models, AnimalRespiratory TherapyDose-Response Relationship, DrugMice, Inbred C57BLEosinophilsIpratropiumDrug CombinationsCalcium SignalingBeclomethasonePneumoniaDrug Administration ScheduleMolecular Sequence DataAdministration, OralAmoxicillin-Potassium Clavulanate CombinationAmnesia, Transient GlobalPhosphodiesterase 4 InhibitorsCohort StudiesCell LineRespiratory Care UnitsPrognosisRespiratory SoundsPseudomonas InfectionsAminopyridinesRNA, MessengerQuestionnairesAllergensRats, Sprague-DawleySmokingBronchi