AcetaminophenAnalgesics, Non-NarcoticAnalgesics, OpioidPainPain, PostoperativePain MeasurementPain ManagementAnalgesicsDrug OverdoseAcute PainDrug-Induced Liver InjuryPain ThresholdChronic PainCodeineAnti-Inflammatory Agents, Non-SteroidalIminesHydromorphoneIbuprofenDouble-Blind MethodAntipyreticsLow Back PainBack PainAnalgesia, Patient-ControlledMorphineFacial PainAbdominal PainNeck PainPain, IntractableAnalgesiaDose-Response Relationship, DrugAdministration, RectalAnesthetics, LocalPelvic PainPain PerceptionMolar, ThirdKetorolacOxycodoneNaloxoneTooth ExtractionLiver Failure, AcuteNalbuphinePain, ReferredCytochrome P-450 CYP2D6DipyroneMeperidineNeuralgiaAntidotesVisceral PainNarcotic AntagonistsHydrocodoneStereoisomerismBupivacaineSurgical Procedures, MinorDrug Administration ScheduleCross-Over StudiesAdministration, OralGlutathioneShoulder PainTreatment OutcomeHysterectomyDrug InteractionsLiverMiosisAnesthesia, GeneralTonsillectomyAnesthesia Recovery PeriodHyperalgesiaPremature EjaculationDoxepinTramadolMusculoskeletal PainNarcoticsNerve BlockCytochrome P-450 CYP2E1Postoperative Nausea and VomitingPhenacetinAlanine TransaminaseRenal ColicTherapeutic EquivalencyNaproxenReceptors, Opioid, muAcetylcysteineDiclofenacBuprenorphineRats, WistarInjections, IntravenousTabletsTime FactorsSuppositoriesProspective StudiesInjections, SpinalDelayed-Action PreparationsChemistry, PharmaceuticalPoisoningDrug Therapy, CombinationAminophenolsMuscle HypertoniaFeverCyclohexanolsLidocaine