AspirinPainHyperalgesiaNociceptorsPain MeasurementPain ManagementFreund's AdjuvantChronic PainPain ThresholdPain, PostoperativeAnalgesicsPain, IntractableCarrageenanAnti-Inflammatory Agents, Non-SteroidalLow Back PainBack PainInflammationPain PerceptionNeuralgiaAnalgesics, OpioidFacial PainAbdominal PainAnalgesiaNeck PainAcute PainFormaldehydePlatelet Aggregation InhibitorsNociceptionPelvic PainInjections, SpinalGanglia, SpinalSpinal CordEdemaTreatment OutcomePosterior Horn CellsRats, Sprague-DawleyMorphineNociceptive PainPain, ReferredAnesthetics, LocalLabor PainShoulder PainDouble-Blind MethodAnalgesics, Non-NarcoticTime FactorsChronic DiseaseDose-Response Relationship, DrugTRPV Cation ChannelsDisease Models, AnimalNerve BlockNAV1.8 Voltage-Gated Sodium ChannelAnalgesia, ObstetricalCyclooxygenase InhibitorsMusculoskeletal PainTiclopidineElectroacupunctureBupivacaineThromboxane B2Visceral PainAnalgesia, EpiduralBehavior, AnimalProspective StudiesRelief WorkPlatelet AggregationSensory Receptor CellsNeurogenic InflammationDiclofenacSalicylatesHot TemperatureFentanylDrug Therapy, CombinationTrigeminal NeuralgiaAnalgesia, Patient-ControlledAcetaminophenCapsaicinInjections, EpiduralFollow-Up StudiesPlatelet Function TestsArthralgiaComplex Regional Pain SyndromesTramadolCentral Nervous System SensitizationPeripheral Nervous System DiseasesIbuprofenInjections, Intra-ArticularRats, WistarZygapophyseal JointRadiculopathyCeliac PlexusAnti-Inflammatory AgentsNeurons, AfferentSpinal NervesAcupuncture AnalgesiaCannabinoid Receptor AgonistsTranscutaneous Electric Nerve StimulationHydromorphoneReceptors, Opioid, muPalliative CareMice, Inbred C57BLBlood Platelets