Mental Health: Obsessive-Compulsive Disorder in Children and Adolescents
Obsessive-compulsive disorder (OCD) affects about 1% of children and adolescents and often begins in childhood. It is marked by a cycle of unwanted thoughts, fears or urges (obsessions) that lead to repetitive behaviors or mental rituals (compulsions). Symptoms may look different depending on a child’s developmental stage and are often seen alongside anxiety, tic disorders and attention-deficit/hyperactivity disorder (ADHD).
Early recognition and treatment can reduce symptom progression, improve functioning and lessen the strain on families. Children do not typically outgrow OCD on their own, and untreated symptoms may worsen during periods of stress or transition. Early intervention gives children the best chance to build coping skills and return to normal developmental activities.
The Role of the Pediatric Clinician:
The pediatric clinician is often the first professional to see children with these concerns. It is helpful to recognize possible OCD early, ask focused questions about intrusive thoughts and rituals, assess how much the symptoms interfere with daily life, and help families understand that the child is not choosing these behaviors. Useful questions include:
“Do unwanted thoughts pop into your mind?”
“What happens if you try not to think about those unwanted thoughts?”
“Do you pay more attention to the thoughts, or can you move on?”
“What do you do in response to those thoughts?”
“What fears do you have about what might happen if you do not do the ritual?”
“What do the thoughts make you do or prevent you from doing?”
“What happens if you don’t do the thing that you feel you have to do?”
Pediatric clinicians should also ask whether the distress feels primarily internal, such as fear, doubt or discomfort, or whether the child is reacting to something in the environment.
Differential Diagnosis
|
Condition |
How It Differs From OCD |
|
Autism spectrum disorder |
Repetitive behaviors are usually linked to restricted interests, predictability or sensory regulation rather than unwanted intrusive thoughts. |
|
Tic disorders |
Movements or vocalizations are typically sudden and urge-driven, not fear-based. |
|
Body-focused repetitive behaviors |
Hair-pulling or skin-picking is often soothing or tension-relieving rather than driven by obsessional fear. |
|
Anxiety disorders |
Worry is usually more diffuse and less ritualized. |
|
ADHD |
Inattention or impulsivity may mimic distraction but is not driven by obsessions or compulsions. |
A key distinguishing feature of OCD is that compulsive behaviors are performed to relieve anxiety caused by unwanted intrusive thoughts, rather than for pleasure, habit or self-regulation.
Common Obsessions and Compulsions
Obsessions are intrusive and distressing thoughts or fears, while compulsions are behaviors or mental rituals performed to reduce anxiety or prevent a feared outcome. Although compulsions are often visible, many are covert such as silent counting or repeated mental prayers. In children, family members often notice the compulsions before the child can explain the obsessions. These symptoms can interfere with daily functioning at home, at school and in social settings.
|
Type |
Examples |
|
Obsessions |
Contamination fears, fears of harm, scrupulosity, magical thinking, safety fears, “just right” concerns |
|
Compulsions |
Handwashing, checking, repeating, counting, arranging, hoarding, reassurance-seeking, rituals involving others |
Mental compulsions are common and easily overlooked, contributing to under-recognition of OCD in pediatric patients.
Obsessive-Compulsive Spectrum
Several disorders share some features with OCD but have distinct diagnostic and treatment considerations.
|
Related Conditions |
Relationship to OCD |
|
Trichotillomania |
Repetitive hair-pulling behavior |
|
Tourette syndrome |
May overlap with repetitive urges and tic-related symptoms |
|
Illness anxiety disorder |
Excessive fear of illness |
|
Somatic symptom disorder |
Excessive focus on physical symptoms |
|
Hoarding disorder |
Difficulty discarding items |
|
Body dysmorphic disorder |
Preoccupation with perceived appearance flaws |
|
Excoriation disorder |
Repetitive skin-picking |
Treatment Overview
|
Treatment |
What It Includes |
Role in Care |
|
Cognitive Behavioral Therapy (CBT) |
Teaches children and parents to identify OCD patterns and respond differently |
First-line treatment |
|
Exposure and Response Prevention (ERP) |
Gradual exposure to fears while resisting compulsions |
Core treatment strategy within CBT |
|
Family therapy |
Helps parents support treatment and reduce accommodation |
Improves outcomes and consistency at home |
|
Medication |
Selective serotonin reuptake inhibitors (SSRIs) are the main medications used for pediatric OCD |
Added when symptoms are severe or therapy alone is not enough |
|
Outpatient programs |
Structured therapy while the child remains at home |
Useful for children needing more support |
Most children experience meaningful improvement with appropriate treatment, although symptoms may fluctuate over time. Pediatric clinicians play a critical role in early identification, family education and timely referral—interventions that can significantly alter a child’s developmental trajectory.
References:
- Aspvall K, Andersson E, Melin K, et al. Effect of an internet-delivered stepped-care program vs in-person cognitive behavioral therapy on obsessive-compulsive disorder symptoms in children and adolescents: a randomized clinical trial. JAMA. 2021;325(18):1863-1873. doi:10.1001/jama.2021.3839
- Geller DA, March J. Practice parameter for the assessment and treatment of children and adolescents with obsessive-compulsive disorder. J Am Acad Child Adolesc Psychiatry. 2012;51(1):98-113. doi:10.1016/j.jaac.2011.09.019
- Hirschtritt ME, Bloch MH, Mathews CA. Obsessive-compulsive disorder: advances in diagnosis and treatment. JAMA. 2017;317(13):1358-1367. doi:10.1001/jama.2017.2200
- Schuyler M, Geller DA. Childhood obsessive-compulsive disorder. Psychiatr Clin North Am. 2023;46(1):89-106. doi:10.1016/j.psc.2022.10.002
- Steele DW, Kanaan G, Caputo EL, et al. Treatment of obsessive-compulsive disorder in children and youth: a meta-analysis. Pediatrics. Published online December 6, 2024. doi:10.1542/peds.2024-068992