Acute PainPainPain ManagementPain MeasurementPain, PostoperativePain ClinicsPain ThresholdChronic PainAnalgesicsAnalgesics, OpioidAnalgesiaPain, IntractablePain PerceptionAnesthesia Department, HospitalFacial PainHyperalgesiaAcute DiseaseLow Back PainBack PainNeuralgiaAbdominal PainNeck PainAnalgesics, Non-NarcoticAnalgesia, Patient-ControlledPelvic PainUnited States Department of DefenseNociceptorsCell Adhesion MoleculesMorphinePain, ReferredRecovery RoomToothacheChronic DiseaseAcupunctureShoulder PainHot TemperatureMusculoskeletal PainAnti-Inflammatory Agents, Non-SteroidalKetoprofenAnesthetics, LocalCyclohexanecarboxylic AcidsInjections, SpinalDiclofenacFormaldehydeCryingAnalgesia, EpiduralMolecular Sequence DataNarcotic AntagonistsKetorolacKetamineAcetaminophenTreatment OutcomeSkin Physiological PhenomenaGanglia, SpinalTime FactorsSmall Molecule LibrariesTranscutaneous Electric Nerve StimulationSpinal CordLidocaineAnesthesiologyAmino Acid SequenceBehavior, AnimalCapsaicinNociceptive PainPeripheral Nervous System DiseasesDouble-Blind MethodRats, Sprague-DawleyDexmedetomidineHerpes ZosterAnesthetics, DissociativeInflammationAminesBuprenorphineAnemia, Sickle CellCarrageenanDose-Response Relationship, DrugQuestionnairesDisease Models, AnimalInfant BehaviorCold TemperatureNerve BlockProtein BindingPosterior Horn CellsModels, MolecularPhysical StimulationProspective StudiesNaloxoneMyofascial Pain SyndromesSignal TransductionCell LineBinding SitesBase SequenceTRPV Cation ChannelsSeverity of Illness IndexComplex Regional Pain SyndromesVisceral PainNeural Cell Adhesion MoleculesCells, CulturedKineticsProtein Conformation