AcetaminophenAnalgesics, Non-NarcoticDrug-Induced Liver InjuryIminesDrug OverdoseAntipyreticsIbuprofenAnti-Inflammatory Agents, Non-SteroidalLiver Failure, AcuteAntidotesAdministration, RectalHydrocodoneGlutathioneLiverCytochrome P-450 CYP2E1Alanine TransaminasePhenacetinAcetylcysteineAnalgesicsAminophenolsFeverBenzoquinonesDouble-Blind MethodAnalgesics, OpioidPain, PostoperativeNecrosisPain MeasurementDrug LabelingNonprescription DrugsHepatocytesDose-Response Relationship, DrugAdministration, OralAspartate AminotransferasesGlucuronatesAspirinPainCodeineCyclooxygenase InhibitorsGlutathione DisulfideGlucuronidesPoisoningAcetanilides