The DSM-5-TR chapter on disruptive, impulse-control, and conduct disorders groups conditions whose defining feature is a failure of behavioral and emotional self-control that violates the rights of others or brings the person into significant conflict with social norms and authority figures. The chapter includes Oppositional defiant disorder (ODD), Conduct disorder (CD), Intermittent explosive disorder (IED), Antisocial personality disorder (ASPD, dual-coded with the personality disorders chapter), Pyromania, and Kleptomania. These disorders sit at the intersection of child psychiatry, adult psychiatry, and forensic practice, and they carry substantial risk for academic failure, incarceration, substance use disorders, depression, and premature mortality. The clinician's task is to distinguish a categorical disorder from developmentally expected misbehavior, to identify the Limited prosocial emotions specifier in conduct disorder that signals a more severe course, and to address comorbidities — ADHD, learning disorders, trauma, and mood disorders — that drive both presentation and prognosis. Psychosocial interventions, especially Parent management training and Multisystemic therapy, have the strongest evidence base; pharmacotherapy targets comorbid conditions and severe aggression rather than the diagnoses themselves.

These disorders are common in clinical and community samples, with male predominance attenuating in adulthood and substantial overlap with other externalizing conditions. Population-based estimates vary widely by case definition, informant, and developmental window.

Prevalence

• Oppositional defiant disorder has a pooled lifetime prevalence near 10%, with point prevalence in children and adolescents estimated at 1-11% (averaging ~3.3%).^1-2
• Conduct disorder has a 12-month prevalence of roughly 4% in children and adolescents, with lifetime estimates near 9% in U.S. surveys.^1,3
• Intermittent explosive disorder has a lifetime prevalence of approximately 4-7% in U.S. adults using narrow versus broad criteria, with 12-month prevalence near 2.7%.⁴
• Pyromania and kleptomania are rare; community estimates are sparse, but clinic samples suggest kleptomania occurs in roughly 4-24% of apprehended shoplifters and pyromania in well under 1% of the general population.^5-6
• Antisocial personality disorder has a lifetime prevalence of about 1-4% in U.S. adults, concentrated in correctional and substance-use treatment populations.^3,7

Sex distribution and onset

• ODD shows a modest male predominance in childhood (roughly 1.4:1) that equalizes by adolescence.¹
• Conduct disorder is more common in males across development, with childhood-onset (before age 10) carrying worse prognosis than adolescent-onset.¹
• IED typically begins in late childhood or adolescence, with mean age of onset around 14 years.⁴
• Kleptomania more often presents in females in clinic samples; pyromania more often presents in males.^5-6

Comorbidity and burden

• ADHD co-occurs with ODD in 30-50% of cases and with conduct disorder in a similarly high proportion.^1,8
• Anxiety disorders, depressive disorders, and substance use disorders are common comorbidities and increase suicide risk.^3,8
• Conduct disorder is associated with elevated risk of incarceration, premature death, and adult antisocial personality disorder; approximately 40% of children with CD develop ASPD as adults.^1,9

Etiology is multifactorial, involving heritable temperamental traits, prefrontal-limbic dysregulation, and adverse environments that interact across development. No single neurobiological lesion explains the category.

Genetics and heritability

• Twin studies estimate heritability of antisocial behavior at approximately 40-60%, with higher heritability for life-course-persistent than adolescence-limited trajectories.^9-10
• Conduct disorder and ADHD share substantial genetic overlap, consistent with a broader externalizing dimension.¹⁰
• Gene-environment interaction studies, including work on MAOA genotype and childhood maltreatment, suggest that adverse environments amplify genetic risk for antisocial outcomes, though replication has been mixed.¹¹

Neurobiology

• Functional imaging in youth with conduct disorder and callous-unemotional traits shows reduced amygdala reactivity to fearful faces and altered ventromedial Prefrontal cortex activation during moral and reward processing.¹²
• Reactive aggression, the hallmark of IED, is linked to heightened amygdala response to threat and impaired top-down regulation from prefrontal regions; serotonergic dysfunction is implicated.^4,12
• Autonomic underarousal (low resting heart rate, blunted skin conductance) is a robust biomarker for antisocial behavior in children and adults.^9,12

Environmental factors

• Harsh, inconsistent, or coercive parenting; child maltreatment; community violence; and deviant peer affiliation are well-established risk factors.^1,9
• Prenatal exposures (tobacco, alcohol), perinatal complications, and low socioeconomic status contribute additional risk.⁹
• Protective factors include stable caregiving, school engagement, and prosocial peer relationships.¹

Integrative models

• Moffitt's Developmental taxonomy distinguishes life-course-persistent antisocial behavior, rooted in neurodevelopmental and family adversity, from adolescence-limited antisocial behavior driven by peer dynamics and the maturity gap.¹³
• The callous-unemotional trait literature identifies a subgroup of youth with conduct disorder characterized by low empathy, shallow affect, and reduced fear responsivity, mapped onto the DSM-5-TR limited prosocial emotions specifier.¹⁴

DSM-5-TR organizes six disorders in this chapter, each defined by patterns of behavior that violate social norms or the rights of others, with thresholds for duration, frequency, and functional impairment. ICD-11 covers the same clinical territory but reorganizes the categories under disruptive behaviour and dissocial disorders within mental and behavioural disorders.^15-16

Oppositional defiant disorder

• A pattern lasting at least 6 months of angry or irritable mood, argumentative or defiant behavior, or vindictiveness, with at least four symptoms from these three clusters.¹⁵
• Behaviors occur with at least one individual who is not a sibling, and frequency thresholds rise with age (more than once per week for children under 5; at least once per week for older youth).¹⁵
• Severity is specified as mild (one setting), moderate (two settings), or severe (three or more settings).¹⁵
• Diagnosis may be made in adults, where the pattern manifests as chronic irritability and authority conflict; symptoms must not be better explained by a mood, psychotic, or substance use disorder.¹⁵

Conduct disorder

• A repetitive and persistent pattern of behavior violating the basic rights of others or major age-appropriate societal norms, with at least 3 of 15 criteria present in the past 12 months and at least 1 in the past 6 months.¹⁵
• Criteria span four clusters: aggression to people and animals, destruction of property, deceitfulness or theft, and serious rule violations.¹⁵
• Subtypes are based on age at onset: childhood-onset (before age 10), adolescent-onset (no criterion before age 10), and unspecified onset.¹⁵
• The limited prosocial emotions specifier requires at least two of the following over 12 months across settings and informants: lack of remorse or guilt, callousness/lack of empathy, unconcern about performance, and shallow or deficient affect.¹⁵
• Severity is mild, moderate, or severe based on the number of conduct problems and the harm to others.¹⁵

Intermittent explosive disorder

• Recurrent behavioral outbursts representing failure to control aggressive impulses, manifested as either (a) verbal or physical aggression without property damage or injury occurring on average twice weekly for 3 months, or (b) three outbursts involving damage to property or injury within a 12-month period.¹⁵
• The aggression is grossly out of proportion to provocation, not premeditated, and causes distress or functional impairment.¹⁵
• Chronological age must be at least 6 years (or equivalent developmental level), and outbursts are not better explained by another mental disorder, medical condition, or substance.¹⁵

Pyromania

• Deliberate and purposeful fire setting on more than one occasion, with tension or affective arousal before the act and pleasure, gratification, or relief during fire setting or witnessing aftermath.¹⁵
• Fascination with, interest in, curiosity about, or attraction to fire and its situational contexts is required.¹⁵
• Fire setting must not be motivated by monetary gain, ideology, anger, concealment of crime, hallucinations, or impaired judgment from substances, dementia, or intellectual disability.¹⁵

Kleptomania

• Recurrent failure to resist impulses to steal objects not needed for personal use or monetary value.¹⁵
• Increasing sense of tension before the theft and pleasure, gratification, or relief at the time of committing the theft.¹⁵
• The stealing is not committed to express anger or vengeance, is not in response to a delusion or hallucination, and is not better explained by conduct disorder, a manic episode, or antisocial personality disorder.¹⁵

Antisocial personality disorder

• A pervasive pattern of disregard for and violation of the rights of others since age 15, with at least 3 of 7 criteria: unlawful behavior, deceitfulness, impulsivity, irritability and aggressiveness, reckless disregard for safety, consistent irresponsibility, and lack of remorse.¹⁵
• The individual must be at least 18 years old, with evidence of conduct disorder before age 15, and the antisocial behavior is not exclusively during schizophrenia or bipolar disorder episodes.¹⁵
• ASPD is dual-coded in DSM-5-TR, appearing in both the personality disorders chapter and this chapter to reflect its developmental continuity with conduct disorder.¹⁵

Presentations differ by disorder, age, and setting, but share a final common pathway of self-control failure that produces interpersonal damage and authority conflict. Recognizing the developmental shape of each disorder is essential.

Oppositional defiant disorder

• Symptoms typically begin in preschool years, with irritability and argumentativeness most evident with familiar adults.¹
• The angry/irritable mood dimension predicts later mood and anxiety disorders, while the headstrong/defiant and vindictive dimensions predict conduct disorder and antisocial outcomes.¹
• Impairment often presents as school discipline problems, family conflict, and rejection by peers and teachers.¹

Conduct disorder

• Childhood-onset CD is characterized by early aggression, neurocognitive deficits, and high heritability; adolescent-onset CD shows fewer neuropsychological deficits and is more peer-driven.^9,13
• Aggression may be reactive (impulsive, threat-driven) or proactive (planned, instrumental); the latter is associated with callous-unemotional traits and worse prognosis.¹⁴
• Common presentations include physical fights, weapon use, cruelty to animals or people, fire setting in a broader pattern of destructiveness, serious lying, theft, truancy, and running away.¹⁵

Intermittent explosive disorder

• Outbursts are typically brief (under 30 minutes), egodystonic after the fact, and triggered by minor provocation.⁴
• Patients describe a buildup of tension or autonomic arousal, an explosive release, and post-episode remorse — distinct from the calculated aggression of ASPD.⁴
• IED is associated with elevated rates of mood, anxiety, and substance use disorders, and with substantial occupational and relational impairment.⁴

Pyromania and kleptomania

• Both are rare and characterized by the affective signature of tension-relief surrounding the act, distinguishing them from purely instrumental fire setting or theft.^5-6
• Kleptomania patients often hoard, discard, or return stolen items, and frequently present with comorbid mood, anxiety, eating, and substance use disorders.⁶
• Pyromania must be distinguished from fire setting that occurs in the context of conduct disorder, psychosis, manic episodes, or intoxication, where the diagnosis does not apply.^5,15

Antisocial personality disorder

• Adult presentation features chronic rule-breaking, exploitation of others, impulsivity, and absence of remorse, often with a history of childhood conduct disorder.¹⁵
• The construct overlaps with but is not identical to psychopathy, which adds interpersonal-affective traits (glibness, grandiosity, shallow affect) captured by the Hare Psychopathy Checklist-Revised (PCL-R).¹⁷

Externalizing behavior is a final common pathway for many conditions; the diagnostic question is what is driving the behavior and whether the duration, context, and pattern fit a categorical disorder. A careful differential prevents both overdiagnosis of normative misbehavior and missed medical or psychiatric mimics.

Psychiatric differentials

• ADHD: impulsivity and rule-breaking arise from inattention and hyperactivity rather than intentional defiance; ADHD frequently co-occurs with ODD and CD and should be diagnosed concurrently when criteria are met.^1,8
• Disruptive mood dysregulation disorder: chronic severe irritability with frequent temper outbursts in children 6-18 years; supersedes ODD when both sets of criteria are met.¹⁵
• Bipolar disorder: distinguished by episodic mood elevation, decreased need for sleep, grandiosity, and goal-directed activity; irritability alone is insufficient.^15,18
• Major depressive disorder with irritable mood (especially in youth): mood symptoms predominate and outbursts occur in the context of an episode.¹⁵
• Posttraumatic stress disorder: hyperarousal, irritable outbursts, and reactive aggression follow trauma exposure with intrusion and avoidance symptoms.¹⁵
• Autism spectrum disorder and intellectual developmental disorder: aggression may stem from rigidity, sensory overload, or limited communication rather than from defiance.¹⁵
• Substance-induced aggression or intoxication: alcohol, stimulants, cannabis withdrawal, and synthetic cathinones can produce explosive behavior.¹⁵
• Antisocial personality disorder versus conduct disorder: ASPD is diagnosed only in adults 18 and older with conduct disorder evidence before age 15.¹⁵
• Psychotic disorders: aggression driven by delusions or command hallucinations is excluded from IED, pyromania, and kleptomania diagnoses.¹⁵

Medical and neurologic mimics

• Temporal lobe epilepsy and other seizure disorders can produce stereotyped aggressive outbursts; consider EEG when episodes have ictal features.¹⁹
• Traumatic brain injury, particularly orbitofrontal damage, can cause disinhibition and aggression.¹⁹
• Hyperthyroidism, hypoglycemia, and sleep deprivation can produce irritability and impulsivity.¹⁹
• Wilson disease, Huntington disease, frontotemporal dementia, and autoimmune encephalitis can present with behavioral disinhibition.¹⁹
• Iatrogenic causes include corticosteroids, anabolic steroids, levetiracetam, and high-dose stimulants.¹⁹

Diagnosis is clinical and rests on multi-informant history across settings, with rating scales and targeted medical workup to confirm or exclude alternatives. A standard child psychiatric evaluation expands to include parents, teachers, and school records.

History elements

• Symptom onset, frequency, duration, settings, and triggers; obtain examples of specific incidents.¹
• Developmental history, including prenatal exposures, temperament, attachment, language, and academic functioning.¹
• Family history of ADHD, mood disorders, substance use disorders, and antisocial behavior.⁹
• Trauma history, including abuse, neglect, community violence, and bullying.¹
• Substance use, including alcohol, cannabis, stimulants, and inhalants.¹⁵
• Legal history and pattern of authority interactions.¹⁵
• Functional impairment in school, family, peer, and (for adults) occupational domains.¹⁵

Physical examination

• General medical examination with attention to signs of abuse, neglect, or self-injury.¹
• Neurologic examination when episodic aggression suggests seizure or focal pathology.¹⁹
• Thyroid examination and signs of hypoglycemia or sleep deprivation.¹⁹

Rating scales

• Child Behavior Checklist (CBCL) and Teacher Report Form for broad-band externalizing assessment.²⁰
• Conners-3 and Vanderbilt scales when ADHD is part of the differential.⁸
• Inventory of Callous-Unemotional Traits (ICU) to evaluate the limited prosocial emotions specifier.¹⁴
• Modified Overt Aggression Scale (MOAS) to track aggression severity over time.²¹
• For adults with suspected ASPD or psychopathy, the Hare PCL-R (administered by trained clinicians) and structured interviews such as SCID-5-PD.¹⁷

Laboratory and imaging

• Targeted workup based on history: TSH, CBC, comprehensive metabolic panel, urine toxicology, and pregnancy testing as indicated.¹⁹
• EEG when episodic outbursts have ictal features (aura, automatisms, postictal confusion).¹⁹
• Neuroimaging is not routine but may be warranted for new-onset aggression with neurologic signs or atypical features.¹⁹

What not to order

• Routine genetic testing, neuroimaging, or extensive metabolic workup in a typical pediatric case without red flags is not indicated and risks incidental findings.¹⁹
• Polygraph and unstructured projective tests have no diagnostic role.¹⁷

Psychosocial interventions targeting parents, families, and the systems around the youth are first-line for ODD and conduct disorder; pharmacotherapy plays an adjunctive role focused on comorbid conditions and severe aggression. Treatment of IED, kleptomania, and pyromania relies primarily on cognitive-behavioral approaches with limited supporting pharmacotherapy. Care for adult ASPD remains one of the most challenging areas in psychiatry.

Pharmacotherapy

• No medication is FDA-approved for ODD or conduct disorder; pharmacotherapy targets comorbid ADHD, depression, anxiety, and severe aggression.^22-23
• For comorbid ADHD with disruptive behavior, stimulants reduce aggression and oppositionality in addition to core ADHD symptoms; strong evidence supports their use.^8,22
• Alpha-2 agonists (clonidine, guanfacine) reduce aggression and oppositionality, particularly in younger children and those with ADHD comorbidity.²²
• Second-generation antipsychotics (risperidone in particular) reduce aggression in conduct disorder and intellectual developmental disorder; evidence supports short-term efficacy with significant metabolic adverse effects.^23-24
• Mood stabilizers (lithium, valproate) have shown reductions in aggression in inpatient youth samples, though evidence is mixed and limited by methodological concerns.²³
• For IED, SSRIs (notably fluoxetine) reduce impulsive aggression in randomized trials; oxcarbazepine and divalproex have limited supporting evidence.^4,25
• For kleptomania, naltrexone has the strongest evidence (small RCT data) for reducing stealing urges and behavior; SSRIs have not shown efficacy beyond placebo.^6,26
• No medication has established efficacy for pyromania; case reports describe SSRIs, mood stabilizers, and naltrexone.⁵
• Pharmacotherapy for ASPD targets comorbid conditions (substance use, depression, anxiety); no medication treats the personality disorder itself.⁷

Psychotherapy

• Parent management training (e.g., Parent-Child Interaction Therapy, the Incredible Years, Triple P) is the first-line treatment for ODD and childhood-onset conduct disorder with strong evidence in preschool and school-age children.^27-28
• Multisystemic therapy is an evidence-based, home- and community-based intervention for adolescents with serious conduct problems, reducing recidivism and out-of-home placement.²⁹
• Functional family therapy and multidimensional treatment foster care are additional evidence-based family interventions for adolescent conduct disorder.^27,29
• Cognitive-behavioral problem-solving and anger management training (e.g., Coping Power) reduce aggression in school-age and adolescent youth.²⁷
• For IED, CBT with relaxation training and cognitive restructuring has demonstrated efficacy in randomized trials.^4,25
• For kleptomania and pyromania, CBT including covert sensitization, imaginal desensitization, and habit-reversal training has limited but supportive evidence.^5-6
• For ASPD, psychotherapy evidence is sparse; mentalization-based treatment and contingency management in correctional settings have shown some benefit, but no approach has established efficacy in changing core antisocial traits.^7,30

Neuromodulation

• There is no established role for ECT, rTMS, or other neuromodulation in disruptive, impulse-control, or conduct disorders; use is reserved for treatment-resistant comorbid depression or catatonia.²³

Adjunctive

• Educational support, including individualized education programs (IEPs) and school-based behavioral plans, is critical for youth with conduct problems and learning disorders.¹
• Substance use treatment is essential when comorbid SUDs are present; integrated treatment improves outcomes.³
• Trauma-focused therapy (TF-CBT, EMDR) when PTSD or complex trauma is contributing.¹
• Coordination with juvenile justice, child welfare, and educational systems is often necessary and should be proactive.²⁹

The interventions with the strongest evidence in this chapter are psychosocial and structural; pharmacotherapy carries the greater iatrogenic harm profile. Evidence quality varies sharply across disorders, with conduct disorder and ADHD relatively well-studied and kleptomania, pyromania, and ASPD comparatively neglected.

Common adverse effects

• Stimulants: appetite suppression, insomnia, weight loss, irritability on wear-off, modest BP and HR elevations.^8,22
• Alpha-2 agonists: sedation, hypotension, dry mouth, rebound hypertension on abrupt discontinuation.²²
• Risperidone and other second-generation antipsychotics: weight gain, dyslipidemia, hyperglycemia, hyperprolactinemia, sedation, and extrapyramidal symptoms.^23-24
• SSRIs in youth: GI upset, activation, sleep disturbance, and FDA boxed warning for suicidal ideation in children, adolescents, and young adults.²⁵

Serious or rare adverse effects

• Tardive dyskinesia and neuroleptic malignant syndrome with antipsychotics.²³
• Cardiovascular events with stimulants in patients with underlying cardiac disease.²²
• Hepatotoxicity with high-dose naltrexone.²⁶
• Valproate teratogenicity (neural tube defects) and risk of pancreatitis and hepatotoxicity.²³

Monitoring and discontinuation

• Metabolic monitoring (weight, waist, BP, fasting glucose, lipids) at baseline and at intervals on antipsychotics.^23-24
• Periodic discontinuation trials are warranted for antipsychotics used for aggression to reassess need.²³
• Stimulants require periodic reassessment of growth and cardiovascular status in children.⁸

Limitations of the evidence base

• Most pediatric pharmacotherapy trials are short-term (8-12 weeks), limiting inference about long-term efficacy and safety.²³
• Kleptomania and pyromania trials are small, often unblinded, and dominated by case series.^5-6
• ASPD treatment evidence is largely from correctional samples with significant generalizability and engagement challenges.^7,30
• Cultural and contextual factors heavily shape what behavior is labeled as disordered, complicating cross-population comparisons.¹

Developmental stage, comorbid medical illness, and social context substantially shape both presentation and management. Tailoring care to these dimensions improves engagement and outcomes.

Pediatric

• Preschool ODD is best treated with parent-child interaction therapy and parent management training before considering medication.^27-28
• Early-onset conduct disorder (before age 10) is a strong predictor of life-course-persistent antisocial behavior; early intensive intervention is warranted.^9,13
• Screen for trauma exposure and child maltreatment in every case.¹

Adolescent

• Adolescent-onset CD has a better prognosis and often remits in adulthood; intervention focuses on peer context, school engagement, and reducing offending.^13,29
• Substance use comorbidity is common and requires integrated treatment.³
• For adolescents with serious antisocial behavior, MST and multidimensional treatment foster care have the strongest evidence.²⁹

Adult

• IED frequently goes undiagnosed in adults presenting with mood, anxiety, or substance use disorders; ask specifically about outbursts.⁴
• ASPD often presents in correctional, addiction, and emergency department settings; treatment focuses on harm reduction and comorbidities.⁷
• Kleptomania patients often hide their behavior for years before disclosure, frequently in the context of legal trouble.⁶

Forensic and correctional

• A psychiatric diagnosis does not establish legal insanity; CD and ASPD are explicitly recognized as relevant to forensic risk assessment.¹⁷
• Standardized violence risk tools (HCR-20, VRAG, PCL-R) are used in forensic settings; clinicians outside forensic practice should be cautious about extrapolating from these tools.¹⁷

Cultural considerations

• Thresholds for disruptive behavior and authority conflict vary across cultures and family contexts; clinicians should assess impairment in the patient's actual environment.¹
• Disproportionate diagnosis and harsher disposition of youth from minoritized racial and ethnic groups have been documented in the U.S. juvenile justice system.¹

Outcomes range from spontaneous remission in adolescent-limited cases to persistent antisocial behavior and premature mortality in life-course-persistent trajectories. Comorbidity, age of onset, and the presence of callous-unemotional traits are the strongest prognostic markers.

Trajectories

• Most preschool ODD remits, but roughly 30% progresses to conduct disorder; the angry/irritable dimension predicts internalizing outcomes, while the headstrong/vindictive dimensions predict externalizing outcomes.¹
• Childhood-onset CD progresses to ASPD in approximately 40% of cases; adolescent-onset CD typically remits but is associated with elevated adult psychosocial impairment.^9,13
• IED is chronic in most cases, with waxing and waning severity; many patients experience persistent symptoms for over a decade.⁴
• Kleptomania and pyromania are typically chronic with episodic exacerbations; long-term outcome data are limited.^5-6
• ASPD shows some decline in overt criminal behavior with age but persistent interpersonal and occupational impairment.⁷

Mortality and adverse outcomes

• Conduct disorder is associated with elevated all-cause and suicide mortality across decades of follow-up.⁹
• ASPD carries a markedly elevated standardized mortality ratio, driven by accidents, suicide, homicide, and substance-related causes.⁷
• Comorbid substance use disorder is the single strongest amplifier of mortality and violence risk.^3,7

Acute aggression and risk to self or others bring patients with these disorders into emergency settings frequently. The clinician's job is to ensure safety, distinguish acute from chronic risk, and identify treatable contributors.

Acute aggression management

• Verbal de-escalation is first-line; reduce stimulation, offer choices, and avoid power struggles.³¹
• When pharmacologic restraint is needed, oral medications are preferred over IM when feasible; common options include oral or IM olanzapine, haloperidol with or without lorazepam, or droperidol per local protocols.³¹
• IM lorazepam alone is an option but carries risk of paradoxical disinhibition in some patients with personality disorder or developmental disability.³¹
• Physical restraint is reserved for imminent danger when less restrictive measures have failed and must comply with institutional and regulatory standards.³¹

Hospitalization criteria

• Imminent danger to self or others not manageable in outpatient settings warrants psychiatric admission.¹⁵
• Acute psychosis, mania, severe depression with suicidality, or substance intoxication driving the aggression require stabilization.¹⁵
• For CD and ASPD without an acute psychiatric crisis, hospitalization is generally not therapeutic and may reinforce behavior; consider community alternatives.^23,30

Suicide risk

• Conduct disorder and ASPD are independent risk factors for suicide attempts and completed suicide, particularly with substance use comorbidity.^3,9
• IED is associated with elevated suicide attempt rates relative to the general population.⁴
• Assess suicide risk in every encounter with these patients, including adults presenting with anger or impulsivity as the chief complaint.³

Several long-running debates shape how these disorders are diagnosed, managed, and adjudicated. Clinicians should hold these uncertainties explicitly when explaining diagnoses and treatment to families and to legal systems.

Diagnostic boundaries

• The categorical separation of ODD and DMDD has been criticized; DMDD was introduced in DSM-5 partly to reduce overdiagnosis of pediatric bipolar disorder, but its boundary with chronic ODD remains debated.¹⁸
• Whether limited prosocial emotions in CD represents a distinct disorder, a dimensional trait, or a severity marker is unresolved; the DSM-5-TR specifier reflects compromise rather than consensus.¹⁴
• ICD-11 and DSM-5-TR organize the same clinical phenomena differently, complicating cross-national epidemiology.^15-16

Pharmacotherapy concerns

• Routine antipsychotic use for pediatric aggression, particularly in foster care and juvenile justice populations, has raised significant public health concerns regarding overuse and metabolic harm.²⁴
• Evidence for mood stabilizers in CD aggression is weaker than the prescribing rates would suggest.²³
• Off-label polypharmacy in youth with disruptive behavior is widespread and poorly studied.²⁴

Forensic and ethical issues

• The use of CD and ASPD diagnoses in juvenile transfer hearings, sentencing, and capital cases raises ethical concerns about pathologizing socially disadvantaged behavior.¹⁷
• Mandatory reporting obligations and confidentiality limits in cases involving fire setting, animal cruelty, and threats of violence vary by jurisdiction.¹⁷
• Whether psychopathy should be treated as a separate construct from ASPD remains debated, with implications for risk assessment and treatment access.¹⁷

Treatment access

• Evidence-based parent training and MST programs are unevenly available; many families with the highest need have the least access.^27,29
• Juvenile justice diversion programs vary widely in fidelity to evidence-based models.²⁹

• ODD requires a 6-month pattern of angry/irritable mood, argumentative/defiant behavior, or vindictiveness, with at least four symptoms.¹⁵
• Conduct disorder requires 3 of 15 criteria across four clusters (aggression, property destruction, deceit/theft, rule violations) in the past 12 months.¹⁵
• The limited prosocial emotions specifier in CD requires at least two of: lack of remorse, callousness, unconcern about performance, or shallow affect, across settings and informants.¹⁵
• Conduct disorder childhood-onset (before age 10) carries worse prognosis than adolescent-onset.^9,13
• ASPD requires age 18 or older with evidence of conduct disorder before age 15.¹⁵
• IED requires either two verbal/non-destructive outbursts weekly for 3 months or three destructive/injurious outbursts in 12 months, with chronological age at least 6.¹⁵
• Kleptomania and pyromania are characterized by a tension-relief affective signature and exclude motivations of gain, anger, ideology, or psychosis.¹⁵
• Parent management training is first-line for ODD and childhood-onset CD; MST is evidence-based for adolescent CD with serious offending.^27,29
• Fluoxetine has the strongest pharmacotherapy evidence for IED.^4,25
• Naltrexone has the strongest pharmacotherapy evidence for kleptomania.^6,26
• Risperidone has FDA approval for irritability in autism spectrum disorder, not for conduct disorder; off-label use for severe aggression is common.^23-24
• Approximately 40% of children with childhood-onset CD develop ASPD as adults.^1,9
• Low resting heart rate is a robust autonomic marker associated with antisocial behavior.^9,12
• Always screen for ADHD, trauma, learning disorders, and substance use in any youth presenting with disruptive behavior.^1,8
• Avoid benzodiazepines as chronic management of aggression in these disorders due to risk of paradoxical disinhibition.²⁵

No external funding. No conflicts of interest declared. Peer-review status: pending.