Cyclooxygenase InhibitorsCyclooxygenase 2Cyclooxygenase 1IndomethacinCyclooxygenase 2 InhibitorsProstaglandin-Endoperoxide SynthasesDinoprostonePainProstaglandinsLipoxygenase InhibitorsIbuprofenArachidonic AcidPiroxicamMasoprocolAnti-Inflammatory Agents, Non-SteroidalFlurbiprofenArachidonic AcidsDiclofenacMeclofenamic AcidThromboxane B2Chronic PainPain ManagementNitrobenzenesLipoxygenaseIsoenzymesPyrazolesSulfonamidesPain ThresholdAspirin6-Ketoprostaglandin F1 alphaEicosanoidsTolmetin5,8,11,14-Eicosatetraynoic AcidPain, Postoperative4,5-Dihydro-1-(3-(trifluoromethyl)phenyl)-1H-pyrazol-3-amineEpoprostenolThromboxane A2Low Back PainVasodilationBack PainReceptors, Prostaglandin EProstaglandins EThiazinesThromboxane-A SynthasePain MeasurementThromboxanesNaproxenBradykininDose-Response Relationship, DrugDinoprostNG-Nitroarginine Methyl EsterAbdominal PainLeukotrienesKetorolacNeck PainHydroxyeicosatetraenoic AcidsPain, IntractableNitric OxideArachidonate 5-Lipoxygenase8,11,14-Eicosatrienoic AcidIndoprofenVasoconstrictionQuinacrineEnzyme InhibitorsSulindacPelvic PainPain PerceptionProstaglandin AntagonistsArachidonate LipoxygenasesAlprostadilKetoprofenPhospholipases AEndothelium, VascularFacial PainMembrane ProteinsNitric Oxide SynthaseRats, Sprague-DawleyBiological FactorsAcute PainRats, WistarLeukotriene B4Pain, ReferredPhospholipases A2Endothelium-Dependent Relaxing FactorsAcetylcholineReceptors, ThromboxaneVasodilator AgentsVasoconstrictor AgentsAcetophenonesHydrazinesCalcimycinArteriolesLactones15-Hydroxy-11 alpha,9 alpha-(epoxymethano)prosta-5,13-dienoic AcidSulfonesCells, CulturedProstaglandin D2NitroarginineShoulder PainReceptors, Prostaglandin E, EP4 Subtype