NeuralgiaPainPain ThresholdPain MeasurementHyperalgesiaChronic PainPain PerceptionNociceptive PainAnalgesicsPain, IntractableSpinothalamic TractsPain ManagementHyperesthesiaSubthalamusSpinal NervesPhysical StimulationPain, PostoperativeFibromyalgiaThermosensingSpinal Cord InjuriesSciatic NeuropathyPeripheral Nervous System DiseasesCentral Nervous System SensitizationLow Back PainBack PainThalamic DiseasesFacial PainSensation DisordersPeripheral Nerve InjuriesAbdominal PainNeck PainRats, Sprague-DawleyInjections, SpinalPelvic PainCyclohexanecarboxylic AcidsAcute PainSpinal CordHot TemperaturePain, ReferredAfferent PathwaysSciatic NerveNociceptorsGanglia, SpinalAnalgesics, OpioidPosterior Horn CellsShoulder PainLigationAminesMusculoskeletal PainTrigeminal NeuralgiaComplex Regional Pain SyndromesSciaticaDiabetic NeuropathiesBehavior, AnimalDisease Models, AnimalTrigeminal Nerve DiseasesChronic DiseaseAnalgesiaNociceptionTibial NeuropathyMicrogliaMagnetic Resonance ImagingMononeuropathiesNeuralgia, Postherpeticgamma-Aminobutyric AcidAnalgesics, Non-NarcoticMorphineSensory Receptor CellsAnesthetics, LocalAmitriptylineTramadolLumbosacral RegionNeuritisSpinal Nerve RootsNAV1.8 Voltage-Gated Sodium ChannelTreatment OutcomeArthralgiaLidocainePeripheral NervesMyofascial Pain SyndromesReceptor, Cannabinoid, CB2Nerve Fibers, UnmyelinatedTrigeminal Nerve InjuriesPeripheral Nervous SystemReceptors, Purinergic P2X4Visceral PainTrauma, Nervous SystemCapsaicinTime FactorsConstrictionDose-Response Relationship, DrugCausalgiaFacial NeuralgiaLabor PainDouble-Blind MethodNeurons, AfferentParesthesiaNerve Compression SyndromesQuestionnairesNeuroma