LactonesAcetaminophenSulfonesCyclooxygenase InhibitorsCyclooxygenase 2 InhibitorsCyclooxygenase 2Prostaglandin-Endoperoxide SynthasesAnalgesics, Non-NarcoticAnalgesicsAnti-Inflammatory Agents, Non-SteroidalCyclooxygenase 1Analgesics, OpioidIbuprofenSafety-Based Drug WithdrawalsNaproxenPyrazolesIndomethacinDinoprostoneDrug-Induced Liver InjuryDiclofenacIsoenzymesSulfonamidesPain MeasurementPhenacetinAntipyreticsDrug OverdosePainIminesAnalgesiaPain, PostoperativeProstaglandinsAspirinDouble-Blind MethodDose-Response Relationship, DrugThiazinesMembrane ProteinsTramadolMorphineArachidonic AcidHydrocodoneOsteoarthritisThromboxane B2Liver Failure, AcuteGastrointestinal DiseasesClinical Trials, Phase IV as TopicNitrobenzenesCodeineRats, Sprague-DawleyLipoxygenase InhibitorsAdministration, RectalArachidonic AcidsAntidotesGlutathioneKetoprofenLiverFlurbiprofenKetorolac TromethamineEpoprostenolDrug InteractionsDipyronePiroxicamStomach UlcerAdministration, OralHyperalgesiaTime FactorsProstaglandins GPain ThresholdRats, WistarEdemaCytochrome P-450 CYP2E1IsodesmosineMeperidineDextropropoxypheneKetorolacFeverAlanine TransaminaseReceptors, Prostaglandin EAcetylcysteineLipoxygenase6-Ketoprostaglandin F1 alphaNonprescription DrugsIsoxazolesEicosanoidsChromatography, High Pressure LiquidTolmetinMasoprocolFentanylDrug TolerancePlacebosAnalgesia, Patient-ControlledBenzoquinonesInjections, SpinalCytochrome P-450 CYP1A2Enzyme InhibitorsSalicylatesAdverse Drug Reaction Reporting SystemsAnesthetics, LocalDrug Therapy, CombinationGastric MucosaIntramolecular Oxidoreductases