AcetaminophenAnalgesics, Non-NarcoticDrug-Induced Liver InjuryIminesDrug OverdoseAntipyreticsIbuprofenAnti-Inflammatory Agents, Non-SteroidalLiver Failure, AcuteAntidotesAdministration, RectalHydrocodoneGlutathioneLiverCytochrome P-450 CYP2E1PhenacetinAlanine TransaminaseAcetylcysteineAnalgesicsAminophenolsFeverBenzoquinonesPain MeasurementAnalgesics, OpioidNonprescription DrugsPain, PostoperativeDrug LabelingDouble-Blind MethodDose-Response Relationship, DrugNecrosisHepatocytesPainAspartate AminotransferasesAspirinCodeineGlucuronatesPoisoningGlutathione DisulfideCyclooxygenase InhibitorsGlucuronides