Breakthrough PainAdministration, BuccalAnalgesics, OpioidFentanylPainPrescription DrugsLabor PainDrug PrescriptionsPain MeasurementPrescription Drug MisuseAnalgesicsPain ManagementMedication AdherenceChronic PainPolypharmacyMedication ErrorsAnalgesia, EpiduralPrescriptionsInsurance, Pharmaceutical ServicesSelf MedicationPain, PostoperativeNonprescription DrugsPrescription FeesPain, IntractableDrug LabelingDrug UtilizationChronic DiseaseUnited StatesDouble-Blind MethodTreatment OutcomeQuestionnairesDrug CostsNeoplasmsPharmaciesRetrospective StudiesHerb-Drug InteractionsCommunity Pharmacy ServicesPatient ComplianceArthralgiaMedication SystemsPharmaceutical PreparationsMedication Systems, HospitalCross-Sectional StudiesMedication ReconciliationProspective StudiesPalliative CareDeductibles and CoinsuranceOpioid-Related DisordersComorbidityMedication Therapy ManagementNeuralgiaSubstance-Related DisordersAnti-Inflammatory Agents, Non-SteroidalTime FactorsPhysician's Practice PatternsCentral Nervous System StimulantsInsurance CoverageFollow-Up StudiesSeverity of Illness IndexHealth Care SurveysInsurance Claim ReviewRisk FactorsPatient Education as TopicCohort StudiesPatient SatisfactionDrug TherapyHealth SurveysLogistic ModelsPain ThresholdInsurance, HealthQuality of LifeElectronic PrescribingComplementary TherapiesDisease ManagementData CollectionBack PainLow Back PainHealth ServicesHealth Services AccessibilityAge FactorsLearning DisordersHealth StatusPsychotropic DrugsRadionuclide GeneratorsPrevalenceSocioeconomic FactorsPharmacistsHealth Care CostsAttention Deficit Disorder with HyperactivityPhytotherapyAbdominal PainInappropriate PrescribingHealth Knowledge, Attitudes, PracticeNeck PainClinical Pharmacy Information SystemsDrug-Related Side Effects and Adverse ReactionsDrug Utilization ReviewMedicare Part DDrug Therapy, Computer-AssistedDrugs, Generic