NaltrexoneNarcotic AntagonistsNarcoticsOpioid-Related DisordersReceptors, OpioidMorphineMedication ErrorsMedication AdherenceNaloxoneOpiate AlkaloidsReceptors, Opioid, muAnalgesics, OpioidHeroin DependenceAlcoholismSubstance Withdrawal SyndromeBuprenorphineHeroinEndorphinsMethadoneMethadyl AcetateMedication ReconciliationMedication SystemsEnkephalinsTaurineMedication Systems, HospitalMorphine DependenceNalorphineMorphine DerivativesHydromorphoneDisulfiramCodeineSubstance Abuse DetectionEtorphineAlcohol AbstinenceEnkephalin, Leucine-2-AlanineBehavior, AddictiveEnkephalin, MethionineReceptors, Opioid, deltaDelayed-Action PreparationsTemperancePatient ComplianceNalbuphineDouble-Blind MethodEnkephalin, Ala(2)-MePhe(4)-Gly(5)-Treatment OutcomeDose-Response Relationship, DrugReceptors, Opioid, kappaDiprenorphineOpioid PeptidesMorphinansEthylketocyclazocineEthanolPrescription DrugsSelf AdministrationDrug Prescriptionsbeta-EndorphinOpiumDrug ToleranceDrug InteractionsOxycodoneSelf MedicationDihydromorphineEuphoriaPolypharmacyPsychotropic DrugsAnalgesicsCyclazocineDrug TherapyFentanylTime FactorsAlcohol DrinkingAdministration, OralSheltered WorkshopsConditioning, OperantBenzomorphansEnkephalin, LeucinePain MeasurementOpiate Substitution TreatmentSubstance-Related DisordersAntipsychotic AgentsDynorphinsUnited StatesButorphanolDrug ImplantsPainDrug OverdoseDrug Therapy, CombinationCocaine-Related DisordersPruritusAnalgesiaRats, Sprague-DawleyContractsNonprescription DrugsGeorgia (Republic)Drug UtilizationSertralineGas Chromatography-Mass SpectrometryPlacebosAntihypertensive AgentsDrug-Related Side Effects and Adverse Reactions