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Oppositional Defiant Disorder (ODD)

Medically Reviewed.Last updated on 06/10/2026.

Oppositional defiant disorder (ODD) causes ongoing anger, conflict and resistance to authority. It often begins in childhood and can affect school, home and relationships. Adults can have it, too. With early support and therapy, many learn to manage emotions and behaviors over time.

What Is Oppositional Defiant Disorder?

Oppositional defiant disorder (ODD) involves ongoing patterns of anger, irritability and resistance to rules or authority, like parents or teachers. It’s a mental health condition that often starts in childhood.

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Children with ODD may throw tantrums, argue a lot, refuse to follow directions or annoy others on purpose. These can cause problems at home, at school and with peers.

It’s more common in children, but it can continue into adulthood. Symptoms may lessen with age, especially with support.

Symptoms and Causes

Oppositional defiant disorder (ODD) symptoms fall into mood-related, behavior-related and vindictiveness categories.
Oppositional defiant disorder includes mood, behavior and vindictive symptoms like anger, arguing and spite.

Oppositional defiant disorder symptoms

This condition most often affects children and teens, but it can also occur in adults. Symptoms usually begin in preschool years.

It’s common for children to test limits as they grow. But frequent behavior that gets in the way of school, relationships or daily activities may be a sign of ODD.

Mood-related symptoms may include:

  • Being easily annoyed or overly sensitive
  • Feeling angry or resentful most of the time
  • Losing temper often

Behavior-related symptoms may include:

  • Arguing frequently with adults or authority figures
  • Blaming others for mistakes or misbehavior
  • Purposely annoying or upsetting others
  • Refusing to follow rules or instructions

Vindictive signs may include:

  • Acting spitefully or seeking revenge
  • Saying mean things when angry or upset

Your child must show several, but not all, of these behaviors to get a diagnosis.

Causes of oppositional defiant disorder

ODD usually develops from a mix of factors rather than one single cause. These may include genetics, how your child’s brain works and their environment.

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  • Genetics: This condition can run in families. If your child has a close family member with a mental health condition (like a mood disorder or anxiety), they may be more at risk.
  • Biological factors: Differences in certain areas of your child’s brain that help control emotions and behavior may affect how they respond to stress. Changes in chemicals that help nerve cells communicate may also make emotional control more difficult.
  • Environmental factors: Ongoing stress or life conflicts may contribute. Experiences like trauma, neglect, peer rejection or inconsistent parenting may affect behavior over time.

Many of these factors can overlap. Having one doesn’t mean your child will develop ODD. There’s also no proven way to completely prevent it.

Risk factors of oppositional defiant disorder

Your child may be more likely to develop ODD if one or more of the following are present:

  • A history of abuse or neglect
  • A family history of neurodevelopmental or behavioral concerns
  • A parent or caregiver with a mood disorder or substance use disorder
  • Exposure to violence at home or in the community
  • Family instability, like frequent moves, divorce or changing schools often
  • Inconsistent discipline or limited adult supervision
  • Ongoing financial stress in the family
  • Peer influence, like friends who use substances or break rules
  • Smoking during pregnancy

Complications of oppositional defiant disorder

Over time, ODD may affect many parts of a child’s life. Possible complications include:

  • Difficulty at school, including problems with learning or behavior
  • Frequent conflicts with parents, teachers, peers or other authority figures
  • Ongoing trouble with relationships
  • Challenges at work later in life
  • Difficulty adjusting emotionally or socially in adulthood

Some kids with ODD also have other mental health conditions. These may include:

  • Attention-deficit/hyperactivity disorder (ADHD)
  • Anxiety disorders
  • Impulse-control disorders
  • Learning differences
  • Mood disorders, like depression
  • Obsessive-compulsive disorder

Some children with ODD may go on to develop a more serious condition called conduct disorder, but most do not. Even when conduct disorder doesn’t develop, children with ODD may still be at higher risk for anxiety or depression.

Diagnosis and Tests

How doctors diagnose oppositional defiant disorder

To diagnose this condition, a healthcare provider looks for patterns of behavior that happen often and over time, not just occasional bad days. They use guidelines from the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). This is a standard book used to diagnose mental health conditions.

If your child shows signs, they’ll likely see a child or adolescent psychologist or psychiatrist. These providers use interviews and assessment tools to better understand your child’s behavior.

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They may also gather information from parents, caregivers, teachers and sometimes other adults who know your child well. This helps give a full picture of how their behavior shows up in different settings.

ODD is a recognized diagnosis, but not all experts agree about it. Some professionals feel that the behaviors linked to ODD are better explained by a poor fit between a child and their environment, like a stressful home, school or social setting, rather than a problem within the child.

Some experts worry that the diagnosis can unfairly label a child as “the problem,” when the real difficulty is the situation around them. At the same time, many families find that having a name for what their child is going through helps them understand the behavior and find effective support.

Criteria for oppositional defiant disorder in the DSM-5

The diagnostic criteria focus on three main areas:

  • Angry or irritable mood (like losing temper easily or feeling angry most days)
  • Argumentative or resistant behavior (like arguing with authority figures, refusing to follow rules or blaming others)
  • Vindictive behavior (acting spiteful or seeking revenge)

In children younger than 5, behaviors usually need to happen on most days for at least six months. In children age 5 and older, behaviors usually need to happen at least once a week for six months. They also need to show up with people other than siblings.

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Behaviors must cause clear stress or problems in daily life, like at home, school or work. Providers also make sure the behaviors aren’t better explained by normal development or another mental health condition.

Management and Treatment

Oppositional defiant disorder treatments

Treatment for ODD focuses on behavior support and family involvement. The goal isn’t punishment. It’s to build skills and support better behavior over time.

Treatment can vary based on several factors, such as:

  • Your child’s age
  • How severe the symptoms are
  • Your child’s ability to take part in and tolerate certain therapies
  • Whether your child has other conditions, like ADHD, learning differences or OCD

Different therapies work best when families, schools and healthcare providers work together.

Parent management training (PMT)

Parent management training is the main treatment for ODD. It helps caregivers learn new ways to respond to behavior. PMT focuses on:

  • Encouraging positive behavior through praise and rewards
  • Using clear, calm consequences instead of harsh punishment
  • Improving communication between parents and children

Many families notice progress in the first few months.

Oppositional defiant disorder therapies

Individual therapy helps children learn skills to manage emotions and behavior. Therapy may help with:

  • Anger control
  • Problem-solving skills
  • Understanding how their actions affect others

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Another option is family therapy. This type looks at how family patterns may affect behavior. It helps families work together more effectively. It may help:

  • Create consistent rules and expectations
  • Improve communication
  • Reduce conflict at home

It’s often used along with parent training and individual therapy.

School-based support

Support at school may help behavior and learning. It may include:

  • Clear behavior plans
  • Teacher guidance and training
  • Programs that support positive behavior and peer relationships

Medications

Medication isn’t usually the first treatment for ODD. Providers may consider it if your child’s behavior is severe or if they have another condition.

Medications may help manage:

  • ADHD
  • Anxiety
  • Mood symptoms

Providers will monitor medications closely.

When should my child see their healthcare provider?

It’s a good idea to talk with a healthcare provider early if:

  • The behaviors happen often and don’t improve over time.
  • The behavior causes problems at home, school or with friends.
  • The same behaviors show up in more than one setting, like both school and home.
  • You notice signs of other concerns, like anxiety, ADHD or learning difficulties.
  • You’re worried about behavior in early childhood and it feels more intense than expected.

Seek immediate help if your child:

  • Has severe aggression or destroys property
  • Has suicidal thoughts
  • Threatens harm to others
  • Tries running away from home

If something doesn’t feel right or seems to be getting worse, it’s OK to ask for help. A healthcare provider can figure out what’s going on and recommend the support they may need.

Outlook / Prognosis

What’s the outlook for oppositional defiant disorder?

The outlook can vary from child to child. Many improve over time, especially when they get early and consistent support. Symptoms may reduce as children get older.

Without support, ODD may continue to affect daily life. Children could have ongoing struggles at home, at school or with friends. These challenges can place stress on their family and make learning and social relationships harder.

With parent training, therapy and school support, many children learn better ways to manage their emotions and behavior. Treating other conditions, like ADHD or anxiety, may also improve outcomes.

Some things can make progress harder, like more serious symptoms or learning issues. But ODD doesn’t always lead to more serious behavior disorders. With the right support, many children build skills that help them do better over time.

A note from Cleveland Clinic

It’s not easy to parent a child who seems angry or constantly on edge. You might feel like you’re always in conflict, always correcting — and still not making progress. But oppositional defiant disorder (ODD) is more than just “acting out.” It’s a real condition that can impact your child’s emotions, relationships and daily life.

Support can make a big difference. With the right tools — like parent training, therapy and school-based strategies — meaningful change may be possible. You’re not expected to figure this out alone. A healthcare provider can guide you toward a plan that works for your child and your family.

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Medically Reviewed.Last updated on 06/10/2026.

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Cleveland Clinic’s health articles are based on evidence-backed information and review by medical professionals to ensure accuracy, reliability and up-to-date clinical standards.

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