Anti-Inflammatory Agents, Non-SteroidalCyclooxygenase 2 InhibitorsIbuprofenCyclooxygenase InhibitorsDiclofenacNaproxenAspirinGastrointestinal DiseasesKetoprofenProstaglandin-Endoperoxide SynthasesCyclooxygenase 2SulindacAcetaminophenSulfonamidesPiroxicamThiazinesSulfonesPyrazolesCyclooxygenase 1IndomethacinLactonesAnalgesics, Non-NarcoticEtodolacNitrobenzenesStomach UlcerGastrointestinal HemorrhageSafety-Based Drug WithdrawalsPeptic UlcerOsteoarthritisIsoenzymesArthritisPeptic Ulcer HemorrhageKetorolacGastric MucosaMisoprostolDinoprostoneRisk FactorsPainAnti-Ulcer AgentsDrug InteractionsMembrane ProteinsDrug PrescriptionsDrug HypersensitivityProstaglandinsAnalgesicsProton Pump InhibitorsDuodenal UlcerCase-Control StudiesProstaglandin AntagonistsIntestinal DiseasesAnticarcinogenic AgentsUpper Gastrointestinal TractChemopreventionStomach DiseasesDrug Therapy, CombinationArthritis, RheumatoidDrug UtilizationGrowth Differentiation Factor 15Dose-Response Relationship, DrugUlcerFenamatesSalicylatesRandomized Controlled Trials as TopicAdministration, TopicalTolmetinColorectal NeoplasmsPharmacoepidemiologyThiazolesSpondylitis, AnkylosingTreatment OutcomeMeclofenamic AcidProstaglandins IPain MeasurementAnti-Inflammatory AgentsGastrointestinal TractCohort StudiesPain, PostoperativeRisk AssessmentClonal EvolutionClonixinProspective StudiesHelicobacter pyloriDrug CostsEdemaHelicobacter InfectionsPhenylpropionatesHistamine H2 AntagonistsMefenamic AcidBromobenzenesPatient SafetyDiphenylamineAdverse Drug Reaction Reporting SystemsDouble-Blind MethodIntestine, SmallFees, PharmaceuticalColonic NeoplasmsAnalgesics, OpioidDrug Utilization ReviewNitric Oxide DonorsPharmacovigilance