Drug OverdoseAtropineAcetaminophenAnalgesics, Non-NarcoticAntidotesPoisoningCharcoalMuscarinic AntagonistsParasympatholyticsHeroin DependenceSuicide, AttemptedAtropine DerivativesNaloxoneHeroinPrescription Drug MisuseOpioid-Related DisordersDrug-Induced Liver InjuryNarcotic AntagonistsOpiate AlkaloidsReceptors, MuscarinicHexamethonium CompoundsNarcoticsSodium OxybateAcetylcholinePralidoxime CompoundsPhysostigmineParasympathomimeticsParasympathetic Nervous SystemAnalgesics, OpioidDothiepinDextropropoxypheneIpecacHemoperfusionPrescription DrugsVagus NerveCarbacholAntidepressive Agents, TricyclicMydriaticsComaSuicideStreet DrugsAmitriptylineMuscle, SmoothAlprazolamMoclobemidePirenzepineOxycodoneSubstance Abuse, IntravenousNeostigmineAutonomic AgentsDiphenhydramineElectric StimulationOrganophosphate PoisoningMethacholine CompoundsSerotonin SyndromeGuinea PigsMuscle ContractionPropranololMethadoneHeart RateGuanethidineGlycopyrrolateVagotomyDrug PackagingBradycardiaDose-Response Relationship, DrugMuscarinic AgonistsDrug UsersLiver Failure, AcutePoison Control CentersFatal OutcomePhentolamineAcetylcysteineCholinesterase ReactivatorsEpilepsy, Tonic-ClonicHarm ReductionCholinesterase InhibitorsLaw EnforcementSubstance-Related DisordersPromethazineBethanecholCoroners and Medical ExaminersTetrodotoxinIleumDrug Labeling