AspirinAnti-Inflammatory Agents, Non-SteroidalPlatelet Aggregation InhibitorsMedication AdherenceMedication ErrorsCyclooxygenase InhibitorsCyclooxygenase 2 InhibitorsIbuprofenNaproxenThromboxane B2TiclopidineDiclofenacDrug Therapy, CombinationSalicylatesTreatment OutcomeProstaglandin-Endoperoxide SynthasesRisk FactorsMedication ReconciliationGastrointestinal DiseasesMedication SystemsPlatelet AggregationAcetaminophenCyclooxygenase 1Medication Systems, HospitalCyclooxygenase 2Prospective StudiesGastrointestinal HemorrhagePlatelet Function TestsIndomethacinTime FactorsDrug PrescriptionsDose-Response Relationship, DrugFollow-Up StudiesSodium SalicylateDouble-Blind MethodSulfonamidesBlood PlateletsQuestionnairesStomach UlcerPyrazolesSelf MedicationDrug UtilizationPatient ComplianceFibrinolytic AgentsDrug InteractionsAnticoagulantsCohort StudiesAnalgesics, Non-NarcoticAsthma, Aspirin-InducedRetrospective StudiesKetoprofenUnited StatesEtodolacSulfonesWarfarinTablets, Enteric-CoatedPiroxicamHemorrhageGastric MucosaSeverity of Illness IndexSulindacLactonesPeptic UlcerNonprescription DrugsDepressionRisk AssessmentDrug HypersensitivityPrescription DrugsDrug TherapyRandomized Controlled Trials as TopicDrug CostsDrug Administration SchedulePolypharmacyDinoprostonePeptic Ulcer HemorrhageCase-Control StudiesCross-Sectional StudiesPainProstaglandinsAntipsychotic AgentsThiazinesBleeding TimeMyocardial InfarctionAnalgesicsPlatelet ActivationThrombosisRecurrenceIncidenceThromboxanesStrokeCardiovascular DiseasesNitrobenzenesPsychotropic DrugsAdministration, OralThromboxane A2AsthmaProton Pump InhibitorsDrug-Related Side Effects and Adverse ReactionsPrevalenceAntidepressive Agents