AcetaminophenAnalgesics, Non-NarcoticDrug-Induced Liver InjuryIminesDrug OverdoseAntipyreticsIbuprofenAnti-Inflammatory Agents, Non-SteroidalLiver Failure, AcuteAdministration, RectalAntidotesHydrocodoneGlutathioneLiverCytochrome P-450 CYP2E1PhenacetinAlanine TransaminaseAcetylcysteineAnalgesicsAminophenolsFeverBenzoquinonesDose-Response Relationship, DrugPain, PostoperativeAnalgesics, OpioidDrug LabelingNecrosisNonprescription DrugsHepatocytesPain MeasurementDouble-Blind MethodGlucuronatesAspartate AminotransferasesCodeineGlutathione DisulfideAspirinPainCyclooxygenase InhibitorsGlucuronides