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Am Fam Physician. 2018;98(10):584-592

Author disclosure: No relevant financial affiliations.

Conduct disorder is a psychiatric syndrome that most commonly occurs in childhood and adolescence. It is characterized by symptoms of aggression toward people or animals, destruction of property, deceitfulness or theft, and serious violations of rules. Risk factors include male sex, maternal smoking during pregnancy, poverty in childhood, exposure to physical or sexual abuse or domestic violence, and parental substance use disorders or criminal behavior. At least three symptoms should have been present in the past 12 months, with at least one present in the past six months to diagnose conduct disorder. Interventions consist of treating comorbid conditions such as attention-deficit/hyperactivity disorder; supporting clear, direct, and positive communication within the family; and encouraging the family and youth to connect with community resources. There are several evidence-based psychosocial interventions that a psychologist or therapist may implement as part of long-term treatment. Currently, no medications have been approved by the U.S. Food and Drug Administration to treat conduct disorder. Treatment with psychostimulants is highly recommended for patients who have both attention-deficit/hyperactivity disorder and conduct problems. There is some evidence to support the treatment of conduct disorder and aggression with risperidone, but health care professionals should weigh the medication's potential benefits against its adverse metabolic effects.

Conduct disorder is a psychiatric syndrome that most commonly occurs during childhood and adolescence. Conduct disorder is characterized by repetitive, persistent violations of both the rights of others and age-appropriate societal norms. The Diagnostic and Statistical Manual of Mental Disorders, 5th ed. (DSM-5), outlines 15 possible criteria for conduct disorder in the categories of aggression toward people or animals, destruction of property, deceitfulness or theft, and serious violations of rules (Table 1).1 The estimated lifetime prevalence of conduct disorder in the United States is 9.5%, with a lifetime prevalence of 12% for males and 7.1% for females.2

Clinical recommendationEvidence ratingReferencesComments
In patients with conduct disorder, comorbidities such as ADHD should be identified and treated.C15, 16, 22, 23, 25 Recommendation from consensus guidelines from the United Kingdom (National Institute for Health and Care Excellence guidelines) and Canada
Psychosocial intervention should be used as a first-line treatment for conduct disorder symptoms that persist after comorbidities such as ADHD are treated.C22, 23, 25 Recommendation from consensus guidelines from the United Kingdom, Canada, and the United States
Risperidone (Risperdal) may benefit patients with conduct disorder who have severe aggression or explosive anger after comorbid ADHD is treated (if applicable).C22, 23, 25 Recommendations from consensus guidelines based on randomized controlled trials
  • A. A repetitive and persistent pattern of behavior in which the basic rights of others or major age-appropriate societal norms or rules are violated, as manifested by the presence of at least three of the following 15 criteria in the past 12 months from any of the categories below, with at least one criterion present in the past 6 months:

  • Aggression to People and Animals

  • 1. Often bullies, threatens, or intimidates others.

  • 2. Often initiates physical fights.

  • 3. Has used a weapon that can cause serious physical harm to others (e.g., a bat, brick, broken bottle, knife, gun).

  • 4. Has been physically cruel to people.

  • 5. Has been physically cruel to animals.

  • 6. Has stolen while confronting a victim (e.g., mugging, purse snatching, extortion, armed robbery).

  • 7. Has forced someone into sexual activity.

  • Destruction of Property

  • 8. Has deliberately engaged in fire setting with the intention of causing serious damage.

  • 9. Has deliberately destroyed others' property (other than by fire setting).

  • Deceitfulness or Theft

  • 10. Has broken into someone else's house, building, or car.

  • 11. Often lies to obtain goods or favors or to avoid obligations (i.e., “cons” others).

  • 12. Has stolen items of nontrivial value without confronting a victim (e.g., shoplifting, but without breaking and entering; forgery).

  • Serious Violations of Rules

  • 13. Often stays out at night despite parental prohibitions, beginning before age 13 years.

  • 14. Has run away from home overnight at least twice while living in the parental or parental surrogate home, or once without returning for a lengthy period.

  • 15. Is often truant from school, beginning before age 13 years.

  • B. The disturbance in behavior causes clinically significant impairment in social, academic, or occupational functioning.

  • C. If the individual is age 18 years or older, criteria are not met for antisocial personality disorder.

  • Specify whether:

  • 312.81 (F91.1) Childhood-onset type: Individuals show at least one symptom characteristic of conduct disorder prior to age 10 years.

  • 312.82 (F91.2) Adolescent-onset type: Individuals show no symptom characteristic of conduct disorder prior to age 10 years.

  • 312.89 (F91.9) Unspecified onset: Criteria for a diagnosis of conduct disorder are met, but there is not enough information available to determine whether the onset of the first symptom was before or after age 10 years.

  • Specify if:

  • With limited prosocial emotions: To qualify for this specifier, an individual must have displayed at least two of the following characteristics persistently over at least 12 months and in multiple relationships and settings. These characteristics reflect the individual's typical pattern of interpersonal and emotional functioning over this period and not just occasional occurrences in some situations. Thus, to assess the criteria for the specifier, multiple information sources are necessary. In addition to the individual's self-report, it is necessary to consider reports by others who have known the individual for extended periods of time (e.g., parents, teachers, co-workers, extended family members, peers).

  • Lack of remorse or guilt: Does not feel bad or guilty when he or she does something wrong (exclude remorse when expressed only when caught and/or facing punishment). The individual shows a general lack of concern about the negative consequences of his or her actions. For example, the individual is not remorseful after hurting someone or does not care about the consequences of breaking rules.

  • Callous—lack of empathy: Disregards and is unconcerned about the feelings of others. The individual is described as cold and uncaring. The person appears more concerned about the effects of his or her actions on himself or herself, rather than their effects on others, even when they result in substantial harm to others.

  • Unconcerned about performance: Does not show concern about poor/problematic performance at school, at work, or in other important activities. The individual does not put forth the effort necessary to perform well, even when expectations are clear, and typically blames others for his or her poor performance.

  • Shallow or deficient affect: Does not express feelings or show emotions to others, except in ways that seem shallow, insincere, or superficial (e.g., actions contradict the emotion displayed; can turn emotions “on” or “off” quickly) or when emotional expressions are used for gain (e.g., emotions displayed to manipulate or intimidate others).

  • Specify current severity:

  • Mild: Few if any conduct problems in excess of those required to make the diagnosis are present, and conduct problems cause relatively minor harm to others (e.g., lying, truancy, staying out after dark without permission, other rule breaking).

  • Moderate: The number of conduct problems and the effect on others are intermediate between those specified in “mild” and those in “severe” (e.g., stealing without confronting a victim, vandalism).

  • Severe: Many conduct problems in excess of those required to make the diagnosis are present, or conduct problems cause considerable harm to others (e.g., forced sex, physical cruelty, use of a weapon, stealing while confronting a victim, breaking and entering).

Risk Factors

Risk factors for developing conduct disorder include male sex, maternal smoking during pregnancy, living in poverty in childhood, and parental conditions such as substance use disorders and criminal behavior. Additional risk factors are exposure to physical or sexual abuse in childhood, or to domestic violence between parents. Family instability, specifically changes in parent or guardian figures, is a risk factor, as are lower cognitive ability and association with peers who use substances, are truant from school, or engage in criminal activity.3,4 Additionally, children who experience harsh discipline, have parents with a cruel or rejecting attitude,4 have poor health, and who are not brought to visit other people who have children are at a higher risk for developing conduct disorder.5

Clinical Presentation

For a formal diagnosis, the DSM-5 specifies that at least three of 15 criteria should have been present in the past 12 months, with at least one criterion present in the past six months.1 Several rating scales can be used to screen for conduct disorder, including the Child Behavior Checklist, the Disruptive Behavior Disorders Rating Scale, and the National Institute for Children's Health Quality Vanderbilt Assessment Scales. The Vanderbilt Assessment Scales (parent and teacher versions) are used primarily to assess for attention-deficit/hyperactivity disorder (ADHD) and are commonly used in primary care. The Vanderbilt scales are available on several websites, such as The Vanderbilt scales also include screening questions for disorders such as conduct disorder and oppositional defiant disorder (ODD). There are few data about the validity of the Vanderbilt scales in diagnosing conduct disorder, with one study finding that the Vanderbilt Parent Rating Scale had only a 67% sensitivity.6 Whether or not a rating scale is used, the diagnosis of conduct disorder is dependent on history. Physical findings during the visit and laboratory testing do not contribute to the diagnosis, although evidence of injuries may prompt a revelation of pertinent information, such as fighting.

Illustrative Cases

The following cases illustrate ways that conduct disorder may present in a family medicine setting. Such cases should prompt the health care professional to ask additional follow-up questions (Table 2).7

Have you ever skipped school? If so, how often? Under what circumstances? Have you been suspended or expelled from school? If so, what were the situations around that?
Have you ever gotten into any physical fights at school? If so, how many/how often? What led up to those fights? Have you gotten into physical fights in your neighborhood, or other places?
Have you gotten in trouble with the police? If so, were you arrested? Have there been any charges filed against you? If so, for what? Have you had other interactions with the police that did not lead to an arrest? If so, what happened? Have you engaged in any stealing?
Have you been in situations where you destroyed property? If so, what were the circumstances? Have you experimented with fire, or set any fires? If so, what was the situation?
Do you use alcohol? Do you use drugs? If so, how often? How much?
Are you sexually active?
Have there been times when you stayed out very late without permission? Have you stayed out all night? Have there been times when you have run away from home?


A seven-year-old boy presents for a well-child visit. He walks around the office, occasionally picking up objects or opening drawers, as his mother describes his recent suspension from school for pushing other children. The boy threatened to stab another child, stole items from classmates' lunches, and is suspected of stealing money from the teacher's purse. He once left the school premises without permission, prompting a call to police. At home, he often fights with siblings and has thrown rocks at other children. He seems to barely pay attention to the telling of his history and does not contradict any of his mother's statements. His mother reports feeling overwhelmed because of his behaviors and mentions that his father is incarcerated. She states that her relatives are taking turns coming to the home and are trying to help her control his behaviors.


A 14-year-old girl presents at the end of the summer for a required school physical. She becomes irritated as her mother tearfully relates that her daughter has been smoking tobacco and marijuana cigarettes and has left home overnight on several occasions. The girl describes school as “boring and stupid” and reports that she has skipped school on several occasions to go hang out at a lake. This summer she was arrested for shoplifting clothes and jewelry and was also charged with marijuana possession. As her mother mentions that her daughter received probation, the girl retorts that if her mother had money to buy clothes she would not have to steal them. The girl adds that her mother is jealous because she has friends, but her mother spends her time alone.

Differential Diagnosis and Comorbidity

The differential diagnosis of conduct disorder includes screening for other disorders in which aggression or disruptive behaviors may be present (Table 3),1 such as ODD, ADHD, mood disorders, and adjustment disorders. In terms of comorbidities, conduct disorder is often associated with ADHD, ODD, and substance use disorders. Approximately 16% to 20% of youth with conduct disorder have comorbid ADHD.8 More than one-half of patients who receive a diagnosis of conduct disorder have never received a previous diagnosis of ODD9; however, approximately 60% of patients with conduct disorder concurrently meet full criteria for ODD.10 In youth, the combination of conduct disorder and ADHD may indicate a greater likelihood of tobacco and alcohol use than conduct disorder alone.11

Oppositional defiant disorderThere is a pattern of opposition and defiance to adults, but no pattern of violation of the rights of others, aggression, property destruction, or deceitfulness or theft.
Intermittent explosive disorderAlthough there may be aggression, it is impulsive rather than planned or predatory.
Attention-deficit/hyperactivity disorderThere may be aggression, but it is impulsive, and there may be intrusiveness and hyperactivity, but there is no pattern of violation of the rights of others.
Disruptive mood dysregulation disorderThere may be aggression as part of temper outbursts, but unlike conduct disorder, the primary pattern is of irritability and temper outbursts, whether or not aggression is involved, rather than violation of the rights of others.
Major depressive disorder or persistent depressive disorderThe primary symptom is typically depressed mood, and there may be changes in sleep, appetite, and energy level, as well as suicidal ideation. These disorders do not involve aggression, property destruction, or deceitfulness or theft.
Bipolar disorders (bipolar I, bipolar II, unspecified bipolar disorder)In addition to grandiosity there may be periods of impulsivity, but this occurs as part of a manic episode rather than a persistent pattern.
Adjustment disorders (with depressed mood, with disturbance of conduct, with mixed disturbance of emotions and conduct)There may be irritability and disruptive behaviors, but these occur in response to a stressor and typically resolve within six months of elimination of the stressor.
Substance use disordersThere may be disruptive behaviors in the context of intoxication or withdrawal, but the disruptive behaviors should resolve in the absence of these conditions.
Posttraumatic stress disorderThe primary symptom is typically reexperiencing trauma in the form of nightmares or intrusive memories. There are efforts to avoid reminders of the trauma. There may be irritability and outbursts. Unlike conduct disorder, there is no pattern of violation of the rights of others, property destruction, or deceitfulness or theft.

Antisocial personality disorder develops in 45% to 70% of adolescents with conduct disorder.12 A relationship exists between the number of conduct disorder symptoms and an increased risk of most psychiatric disorders, including depression and anxiety.12 The combination of early onset alcohol abuse and conduct disorder is associated with the highest risk of personality disorders, particularly antisocial/borderline comorbidity, and predicts violent crime and drug use.13 Conduct disorder is also associated with failure to complete high school, drug use, and criminal behavior.14

In adults, conduct disorder is associated with other psychiatric disorders, and a history of conduct disorder alone has an increased risk of developing an alcohol use disorder (78% in men, 65% in women) or drug use disorder (48% in men, 46% in women).12


Treatment for conduct disorder is multifaceted and involves treatment of comorbidities, family support, psychosocial interventions, and pharmacotherapy for some patients (Table 4).7 ADHD is a common comorbidity that must be addressed because it can adversely impact outcomes.15,16 Although the family physician may be the initial point of contact for the family, it is helpful to refer the patient immediately to a psychologist for psychosocial interventions and to a psychiatrist for treatment of psychiatric comorbidities.

Advise parents to treat their own physical and mental health issues, if applicable.
Assess severity and refer to a subspecialist for treatment as needed.
Demonstrate listening and communicating skills to parents and youth in clear, direct ways.
Emphasize parental monitoring of the youth's activities (e.g., where the youth is, who he/she is with). Encourage enforcement of curfews.
Encourage parents and youth to discuss rewards for appropriate behavior and consequences for misbehavior (such as staying out after curfew). Rewards and consequences should be discussed ahead of time, ideally in a session with a health care professional who can facilitate communication.
Encourage parents to coordinate with school personnel, including school social workers, around any concerns in the school setting. All professionals involved in treating the youth should coordinate care to ensure that all are aware of comorbidities, concerns, and approaches to treatment.
Encourage structuring of the youth's time and activities, including after school time, to minimize times when he or she is not monitored by a responsible adult such as a teacher, coach, or parent.
Ensure that comorbidities such as ADHD, substance use, and mood or anxiety disorders are treated.
If the youth has his or her own phone and social media account, encourage the parents and youth to review texts and social media posts together, with discussion about how the messages affect all parties involved.
Provide the parents and youth with options for healthy activities, such as sports teams, school clubs, church activities, community groups such as Scouts, and mentoring organizations such as Big Brothers Big Sisters of America.
Recommend that parents and youth establish a daily routine of engaging in play or an enjoyable activity together (e.g., playing a board game, playing catch, watching an appropriate television program).


The physician should emphasize the benefits of overall stress reduction in the home,17 warmth in parental interactions with the child, and avoidance of harsh discipline.18 The physician should also encourage the family to seek support from organizations such as the National Alliance on Mental Illness (, Big Brothers Big Sisters of America (, and school or church groups that offer positive interactions and model appropriate behavior. Participation in high school sports can reduce the association between conduct disorder and adult antisocial behavior and could be considered an intervention to reduce the symptoms of conduct disorder.19 Parents should be empathic and modulate their own emotional expression in communication with their children who have been diagnosed with conduct disorder.20 The reasons for interventions such as attending appointments and establishing limits such as a curfew should be clearly explained. Parents should also be encouraged to treat their own mental health concerns.


The most recent U.S. expert guidelines were published in 1997,21 but clinical guidelines for antisocial behavior and conduct disorders were released in 2013 in the United Kingdom22 and in 2015 in Canada.23 Both the National Institute for Health and Care Excellence (NICE) and the Canadian guidelines recommend psychosocial interventions as first-line interventions for conduct disorder that persists after comorbidities such as ADHD are treated, as does a third set of guidelines, commonly known as the CERT (Center for Education and Research on Mental Health Therapeutics) guidelines.24 Evidence-based psychosocial treatment methods for disruptive behavior disorders, including conduct disorder, have been compiled in a booklet by the U.S. Department of Health and Human Services, Substance Abuse and Mental Health Services Administration (available at

Most of these psychosocial treatment methods were developed at universities and are marketed toward systems such as school districts or health care systems, which often finance training through grants. The treatments take years to implement and therefore may not be accessible to most physicians. There are websites that provide links for finding local health care professionals who use these methods (eTable A). The physician may need to network with local psychologists and ask them if they treat conduct disorder, or collaborate with schools and determine whether they have a formal approach for treating conduct disorder.

Adolescent Transitions ProgramMultiple websites have information; no specific program websiteMiddle school students; coordinated by school staff
Brief strategic family therapyDeveloped at University of Miami; many websites have information, including www.bsft.orgFamily intervention designed for children six to 18 years of age with substance use or behavioral issues; typically 12 to 16 family sessions in the office
Coping Power Programwww.copingpower.comDesigned for fourth to sixth graders with disruptive behaviors; child and parent components; sessions at school
Early Risers: Skills for SuccessMultiple websites have information; no specific program websiteChildren are identified by teachers; coordination between school and home
First Step to Successwww.firststeptosuccess.orgA school-based program with a home component, originally designed for kindergarten, to reduce aggression and oppositional behavior
Functional family therapyWebsite has a link to find health care professionals, www.fftllc.comFamily intervention for youth who display or are at risk of aggression, violence, and substance use; normally eight to 12 sessions
Helping the non-compliant child Multiple websites have information; no specific program website Therapists guide parent-child interaction; for children in preschool and elementary school with aggressive and oppositional behavior
Incredible Yearswww.incredibleyears.comChildren two to 12 years of age; goal is to reduce aggression; delivered by parents, teachers, and therapists; a self-study guide is available; a live training course is also recommended (Big Brothers Big Sisters of America); (The National Mentoring Partnership)Mentoring programs in general work to develop positive relationships between youth and adults. In Big Brothers Big Sisters of America, mentors commit to one year of service, three meetings per month with each meeting lasting an average of four hours; it is possible to start programs in communities that do not have one
Multidimensional treatment foster careMany websites have informationSpecially trained foster families; designed for violent child offenders who would otherwise be placed in residential settings; family of origin gets treatment while child is in foster placement
Multisystemic therapyMany websites have information, including, which has a link to find health care professionalsFor youth who have serious conduct and substance abuse problems; multisystemic therapy integrates techniques from other approaches including parent management training and family therapies
Parent-child interaction therapywww.pcit.orgFor children two to seven years of age with disruptive behaviors; this website has a link to find local health care professionals; typically 10 to 16 weekly one-hour sessions; delivered by therapist in the office
Parent management training–OregonMany websites have information, including www.generationpmto.orgDesigned for children up to 12 years of age with disruptive behaviors; lasts around 20 sessions; delivered by therapist in the office or home
PATHS school-based program for improving social competence and reducing aggression
Problem-solving skills trainingDeveloped at Yale University; many websites have informationFor children six to 14 years of age with conduct problems; 20 sessions delivered by therapist in the office or home
Project ACHIEVEwww.projectachieve.infoA school-based program, conducted by teachers and administrators, focusing on academics, behavior, safety, and parental/community involvement
Second Stepwww.secondstep.orgA school-based program for reducing impulsive and aggressive behavior
Triple P (Positive Parenting Program)www.triplep.netAttempts to improve knowledge, skills, and confidence of parents to prevent or reduce severe behavioral, emotional, and developmental problems in children


No medications have been approved by the U.S. Food and Drug Administration (FDA) for the treatment of conduct disorder. The NICE guideline specifies “Do not offer pharmacological interventions for the routine management of behavioral problems in children and young people with ODD or conduct disorder.”22 This guideline recommends pharmacologic treatment only if indicated for concurrent ADHD, and recommends considering risperidone (Risperdal) as a short-term treatment for severe aggression or explosive anger after comorbid ADHD is treated (if applicable).22

The Canadian guidelines provide a more detailed discussion of pharmacotherapy. They strongly recommend psychostimulants such as methylphenidate preparations or amphetamines for the treatment of oppositional behavior, conduct problems, and aggression in children and adolescents who have ADHD, with or without ODD or conduct disorder. No other medications receive a “strong” recommendation in the Canadian guidelines (Table 5).23 Atomoxetine (Strattera), guanfacine, and clonidine all receive conditional recommendations in favor of their use.23

PharmacotherapyStrength of recommendationQuality of evidence
Psychostimulants for oppositional behavior, conduct problems, and aggression in children and adolescents with ADHD, with or without ODD or conduct disorderStrong in favorHigh
Atomoxetine (Straterra) for oppositional behavior in children and adolescents with ADHD, with or without ODD or conduct disorderConditional in favorHigh
Guanfacine (monotherapy or in combination with a psychostimulant) for oppositional behavior in children and adolescents with ADHD, with or without ODDConditional in favorModerate
Clonidine (monotherapy or in combination with a psychostimulant) for oppositional behavior and conduct problems in children and adolescents, with or without ODD or conduct disorderConditional in favorVery low
Risperidone (Risperdal) for disruptive and aggressive behavior in children and adolescents with an average IQ and ODD or conduct disorder, with or without ADHDConditional in favorHigh
Risperidone for conduct problems and aggression in children and adolescents with a subaverage IQ and ODD or conduct disorder, with or without ADHDConditional in favorModerate
Quetiapine (Seroquel) for conduct problems in children and adolescents with conduct disorder, with or without ADHDConditional againstVery low
Haloperidol for aggression in children and adolescents with conduct disorderStrong againstVery low
Valproate (Depacon) for aggression in children and adolescents with ODD or conduct disorder, with or without ADHDConditional in favorLow
Lithium for aggression in children and adolescents with conduct disorderConditional againstLow
Carbamazepine (Tegretol) for aggression in children and adolescents with conduct disorderStrong againstVery low

Risperidone carries a conditional recommendation to treat disruptive and aggressive behavior in patients with an average IQ and ODD or conduct disorder, with or without concomitant ADHD. Risperidone also carries a conditional recommendation to treat patients with a below average IQ.

In eight randomized controlled trials (RCTs) of risperidone for the treatment of conduct disorder, aggression, or disruptive behavior disorders,2633 the mean dosages ranged from less than 1 mg to up to 2.9 mg per day. This coincides with the range of general target dosages used to treat children and adolescents who have schizophrenia, bipolar mania, or irritability associated with autistic disorder, which are the FDA-approved indications for risperidone in youth. In these studies, improvements were seen in areas such as aggressive/destructive behavior, irritability, lethargy, and hyperactivity. Risperidone has an adverse effect profile that includes weight gain, dyslipidemia, hyperglycemia, diabetes mellitus, extrapyramidal symptoms, tardive dyskinesia, hyperprolactinemia, and increased risk of suicidal ideation. The physician prescribing risperidone should track parameters such as weight, blood pressure, blood glucose, lipid profile, and A1C, and the risk and benefit ratio must be discussed.

The only other medication that carries a conditional favorable recommendation is valproate.23 In the two randomized, placebo-controlled trials of divalproex (Depakote), the sodium analogue of valproate, for the treatment of conduct disorder, ODD, or ADHD and aggression, the mean blood levels were 82 mcg per mL and 68 mcg per mL,34,35 which are consistent with acceptable levels when divalproex or valproate is used to treat bipolar disorder. Patients showed improvement in impulse control, depression, and aggressive behavior. Valproate can produce adverse effects such as hepatotoxicity, pancreatitis, thrombocytopenia, increased risk of suicidal ideation, and fetal risks, including neural tube defects and a lower IQ. Blood levels of the medication should be monitored, and liver function tests, blood counts, and coagulation tests should be performed.

Resolution of Cases


This patient displays symptoms of ADHD. The family physician should obtain rating scales such as the Vanderbilt to assess for ADHD and should treat the patient with a stimulant. There could be coordination with the patient's school about whether they use an evidence-based psychosocial approach for aggression. The mother is getting help from relatives and they could work collectively with health care professionals to establish and enforce limits at home.


The mother in this case has symptoms of depression and should be encouraged to seek treatment. The patient could be educated about substance use and engaged around why she might want to stop. Perhaps her legal charges could be expunged if she were to complete a treatment program. The mother and daughter should be referred for a family therapy intervention that focuses on parenting skills and communication. If the patient can swim (which is assumed because she goes to a lake), she might also be encouraged to join a community activity such as a swim team.

This article updates a previous article on this topic by Searight, et al.7

Data Sources: A PubMed search was completed using the key terms conduct disorder and conduct disorder clinical trial. The search included meta-analyses, randomized controlled trials, clinical trials, and reviews. Also searched were the Agency for Healthcare Research and Quality Evidence Reports, the Cochrane Database of Systematic Reviews, Clinical Evidence, evidence-based guidelines from the National Guideline Clearinghouse, Institute for Clinical Systems Improvement, and U.S. Preventive Services Task Force. Search dates: December 2017, January 2018, and August 2018.

The author thanks Anne Walling, MD, for her assistance with the manuscript.

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