Skin CreamIce CreamPainPain MeasurementPain ManagementPain, PostoperativeOintmentsPain, IntractableChronic PainLow Back PainBack PainPain ThresholdAnalgesics, OpioidAdministration, TopicalAnesthetics, LocalAnalgesicsAbdominal PainAnalgesiaNeck PainLabor PainFacial PainAnalgesia, ObstetricalPelvic PainTreatment OutcomeNerve BlockDouble-Blind MethodAcute PainBupivacaineAnalgesia, EpiduralRelief WorkPain PerceptionVaginal Creams, Foams, and JelliesNeuralgiaLidocaineShoulder PainAnalgesia, Patient-ControlledMorphineTrigeminal NeuralgiaInjections, EpiduralEmollientsPain, ReferredCeliac PlexusAnalgesics, Non-NarcoticTramadolInjections, Intra-ArticularZygapophyseal JointChronic DiseaseAcupuncture AnalgesiaRadiculopathyCosmeticsHydromorphoneFentanylTranscutaneous Electric Nerve StimulationAdministration, CutaneousPalliative CareAnesthesia, LocalMeperidineMusculoskeletal PainArthralgiaInjections, SpinalDermatologic AgentsElectric Stimulation TherapyProspective StudiesVertebroplastyCausalgiaComplex Regional Pain SyndromesOpiumAnti-Inflammatory Agents, Non-SteroidalAminoquinolinesTime FactorsFollow-Up StudiesDiclofenacFractures, CompressionDermatitis, SeborrheicAnesthesia, EpiduralKetorolacAcetaminophenHyperalgesiaRange of Motion, ArticularAnesthesia, CaudalButorphanolKetoprofenSpinal FracturesNociceptive PainParesthesiaFluoroscopyPatient SatisfactionBetamethasoneOxycodoneFailed Back Surgery SyndromeSpinal NeoplasmsRetrospective StudiesIntervertebral Disc DisplacementLabor, ObstetricSilver SulfadiazineLumbosacral RegionIntercostal NervesPlacebo EffectStrontium RadioisotopesAutonomic Nerve Block