AspirinAcetaminophenCaffeineAnalgesics, Non-NarcoticAnti-Inflammatory Agents, Non-SteroidalPlatelet Aggregation InhibitorsDrug-Induced Liver InjuryIbuprofenIminesDrug OverdoseAntipyreticsCyclooxygenase InhibitorsThromboxane B2TiclopidineSalicylatesPlatelet AggregationDose-Response Relationship, DrugCentral Nervous System StimulantsDouble-Blind MethodDrug Therapy, CombinationPlatelet Function TestsTheobromineLiver Failure, AcuteCyclooxygenase 1CoffeePhenacetinBlood PlateletsAdministration, RectalAntidotesProstaglandin-Endoperoxide SynthasesDrug InteractionsGlutathioneCyclooxygenase 2 InhibitorsLiverSodium SalicylateHydrocodoneTime FactorsCytochrome P-450 CYP1A2AnalgesicsFibrinolytic AgentsNaproxenCytochrome P-450 CYP2E1HemorrhageAlanine TransaminaseAsthma, Aspirin-InducedAcetylcysteineAnticoagulantsWarfarinTablets, Enteric-CoatedRisk FactorsProspective StudiesCross-Over StudiesBleeding TimeAdministration, OralGastrointestinal HemorrhageFeverTreatment OutcomePlatelet ActivationThromboxanesDrug Administration ScheduleDipyridamoleDrug HypersensitivityIndomethacinCyclooxygenase 2Thromboxane A2AminophenolsSalicylic AcidThrombosisCalciumCodeineBenzoquinonesNonprescription DrugsRyanodinePain, PostoperativeGastric MucosaProstaglandinsDinoprostoneLipoxinsDiclofenacDrug ResistanceStrokeNecrosisChromatography, High Pressure LiquidMyocardial InfarctionPain MeasurementDrug LabelingAnalgesics, OpioidHepatocytesDrug CombinationsSulfinpyrazoneReye SyndromePainTabletsProcaineStomach UlcerFollow-Up StudiesAcetanilidesGastrointestinal DiseasesPhosphodiesterase Inhibitors