AspirinAnalgesicsAnti-Inflammatory Agents, Non-SteroidalAnalgesics, OpioidAnalgesics, Non-NarcoticIbuprofenCyclooxygenase InhibitorsDiclofenacCyclooxygenase 2 InhibitorsAcetaminophenAnalgesiaPainNaproxenPain MeasurementPlatelet Aggregation InhibitorsFlurbiprofenKetoprofenSulindacPiroxicamPain, PostoperativeProstaglandin-Endoperoxide SynthasesMorphineIndomethacinTolmetinCyclooxygenase 1Cyclooxygenase 2TramadolSalicylatesDose-Response Relationship, DrugPhenacetinKetorolacPyrazolesThiazinesThromboxane B2SulfonamidesDouble-Blind MethodSodium SalicylateEtodolacDrug Therapy, CombinationAnti-Inflammatory AgentsStomach UlcerTiclopidineDextropropoxyphenePhenylbutazoneDipyroneDrug TolerancePlatelet AggregationDinoprostoneCodeineGastrointestinal HemorrhageGastrointestinal DiseasesKidney Papillary NecrosisDrug InteractionsPain ManagementProstaglandinsSulfonesTime FactorsPain ThresholdHyperalgesiaFenoprofenCarrageenanRisk FactorsGrowth Differentiation Factor 15Prospective StudiesTreatment OutcomeNitrobenzenesDrug HypersensitivityLactonesKetorolac TromethaminePlatelet Function TestsMeperidineStereoisomerismInjections, SpinalIsoenzymesFentanylDiflunisalPentazocineClonixinReceptors, Opioid, muOxycodoneEdemaAnesthetics, LocalAnalgesia, Patient-ControlledMefenamic AcidGastric MucosaAsthma, Aspirin-InducedAdministration, OralPain, IntractableBupivacaineAnalgesia, EpiduralRats, Sprague-DawleyArthritisNaloxoneAnticarcinogenic AgentsMolecular StructureNonprescription DrugsPeptic Ulcer HemorrhageChemopreventionBlood PlateletsDrug Administration Schedule