AnalgesicsAspirinPain ManagementAnalgesics, OpioidPainPain, PostoperativePain MeasurementAnalgesics, Non-NarcoticMedication ErrorsMedication AdherenceAnti-Inflammatory Agents, Non-SteroidalAnalgesiaPlatelet Aggregation InhibitorsMedication ReconciliationMedication SystemsMorphineMedication Systems, HospitalAcetaminophenTramadolPhenacetinDouble-Blind MethodSelf MedicationPrescription DrugsDrug PrescriptionsTreatment OutcomeDrug Therapy, CombinationCyclooxygenase InhibitorsDose-Response Relationship, DrugNonprescription DrugsTiclopidineDextropropoxypheneIbuprofenPatient ComplianceCodeineSalicylatesDrug TherapyDrug UtilizationThromboxane B2Drug ToleranceProspective StudiesPolypharmacyPsychotropic DrugsPlatelet AggregationTime FactorsPain ThresholdRisk FactorsFentanylUnited StatesMeperidineOxycodoneDrug InteractionsPlatelet Function TestsDrug-Related Side Effects and Adverse ReactionsDipyronePentazocineAnesthetics, LocalReceptors, Opioid, muDrug Administration ScheduleNarcotic AntagonistsAntipsychotic AgentsKidney Papillary NecrosisFollow-Up StudiesRetrospective StudiesHyperalgesiaInjections, SpinalHypnotics and SedativesBuprenorphineAntihypertensive AgentsAdministration, OralAntidepressive AgentsNaloxoneBupivacaineDrug CostsPharmaceutical PreparationsKetoprofenAnalgesia, EpiduralCyclooxygenase 2 InhibitorsDiclofenacPain, IntractableQuestionnairesCohort StudiesPharmacistsClinical Pharmacy Information SystemsSodium SalicylateCarrageenanBlood PlateletsPhysician's Practice PatternsAnalgesia, Patient-ControlledTolmetinAnti-Inflammatory AgentsFibrinolytic AgentsKetorolacChronic DiseaseHydrocodoneAnticoagulantsMedical Order Entry SystemsCyclooxygenase 1NeuralgiaWarfarinOpioid-Related Disorders