AcetaminophenAnalgesics, Non-NarcoticAnti-Inflammatory Agents, Non-SteroidalDrug-Induced Liver InjuryIbuprofenIminesDrug OverdoseAntipyreticsDiclofenacNaproxenCyclooxygenase 2 InhibitorsLiver Failure, AcuteCyclooxygenase InhibitorsAspirinGastrointestinal DiseasesAdministration, RectalAntidotesHydrocodoneGlutathioneLiverAnalgesicsCytochrome P-450 CYP2E1PhenacetinAlanine TransaminaseKetoprofenAcetylcysteineCyclooxygenase 1SulfonesNonprescription DrugsPain, PostoperativeThiazinesDouble-Blind MethodFlurbiprofenAminophenolsProstaglandin-Endoperoxide SynthasesPiroxicamStomach UlcerDose-Response Relationship, DrugAnalgesics, OpioidLactonesFeverPeptic UlcerPain MeasurementBenzoquinonesCyclooxygenase 2PainMisoprostolPeptic Ulcer HemorrhageDrug InteractionsDrug LabelingNecrosisPyrazolesHepatocytesOsteoarthritisSulfonamidesGastrointestinal HemorrhageArthritisAnti-Ulcer AgentsDrug Therapy, CombinationButanonesGlucuronatesAspartate AminotransferasesRisk FactorsCodeineGlutathione Disulfide