AspirinAnalgesicsAnti-Inflammatory Agents, Non-SteroidalAnalgesics, OpioidAnalgesics, Non-NarcoticPlatelet Aggregation InhibitorsCyclooxygenase InhibitorsIbuprofenCyclooxygenase 2 InhibitorsAcetaminophenPainAnalgesiaDiclofenacNaproxenPain MeasurementThromboxane B2SalicylatesTiclopidineProstaglandin-Endoperoxide SynthasesCyclooxygenase 1Pain, PostoperativeMorphinePlatelet AggregationKetoprofenCyclooxygenase 2Drug Therapy, CombinationIndomethacinPhenacetinDose-Response Relationship, DrugDouble-Blind MethodPlatelet Function TestsGastrointestinal DiseasesGastrointestinal HemorrhageTramadolPiroxicamStomach UlcerSodium SalicylatePyrazolesSulfonamidesBlood PlateletsAsthma, Aspirin-InducedSulfonesEtodolacRisk FactorsThiazinesDrug InteractionsTreatment OutcomeFibrinolytic AgentsLactonesGastric MucosaSulindacTablets, Enteric-CoatedAnticoagulantsProspective StudiesKetorolacWarfarinHemorrhageDextropropoxypheneDinoprostoneCodeineDrug ToleranceTime FactorsProstaglandinsPeptic UlcerDrug HypersensitivityPeptic Ulcer HemorrhageTolmetinBleeding TimeKidney Papillary NecrosisPlatelet ActivationThromboxanesPain ManagementNitrobenzenesPain ThresholdThrombosisThromboxane A2Drug Administration ScheduleCarrageenanAnti-Inflammatory AgentsRandomized Controlled Trials as TopicAdministration, OralHyperalgesiaMeperidineDipyridamoleFentanylIsoenzymesOsteoarthritisMyocardial InfarctionPentazocineLipoxinsReceptors, Opioid, muOxycodoneArthritisAnesthetics, LocalEdemaDrug UtilizationDipyroneSalicylic AcidDrug ResistanceInjections, Spinal