AcetaminophenAnalgesics, Non-NarcoticDrug-Induced Liver InjuryIminesDrug OverdoseAntipyreticsIbuprofenAnti-Inflammatory Agents, Non-SteroidalLiver Failure, AcuteAntidotesAdministration, RectalHydrocodoneGlutathioneLiverCytochrome P-450 CYP2E1PhenacetinAlanine TransaminaseAcetylcysteineAnalgesicsAminophenolsFeverBenzoquinonesPain, PostoperativeAnalgesics, OpioidDose-Response Relationship, DrugNonprescription DrugsNecrosisDrug LabelingPain MeasurementDouble-Blind MethodHepatocytesGlucuronatesAspartate AminotransferasesAspirinPainCodeineGlutathione DisulfideCyclooxygenase InhibitorsGlucuronidesAcetanilides