Bipolar Disorder in Children and Teens
If you need help now
If your child has talked about wanting to die, or about hurting themselves, take it seriously and act.
Call or text 988 — the Suicide & Crisis Lifeline in the US, available 24 hours a day.
If you believe your child is in immediate danger, call 911 or go to an emergency department.
Talking about it does not plant the idea. A review of the published research on this found that no study showed a statistically significant increase in suicidal ideation among people asked about suicidal thoughts, and concluded that acknowledging and talking about suicide may in fact reduce, rather than increase, suicidal ideation.1
Bipolar disorder involves distinct episodes of elevated, expansive, or unusually irritable mood — lasting days at a time and representing a clear change from how a person normally is — usually alongside episodes of depression. The word that carries the weight is episodes. A child who is chronically irritable, day in and day out, without distinct periods of marked change, is describing a different picture, and that picture has its own diagnosis. Bipolar disorder is diagnosed by a psychiatrist through detailed history, usually gathered across time and from more than one source. It is uncommon in young children, more often identified in adolescence, and it is a condition where getting the diagnosis right matters a great deal, because the treatments differ substantially.
1 · What an episode actually means
A manic or hypomanic episode is a period of days — not hours, and not a bad afternoon — in which mood is markedly elevated, expansive, or irritable, and it represents a distinct change from that person's usual state.
Alongside the mood change, other things shift together: markedly reduced need for sleep while still feeling energetic · rapid or pressured speech · racing thoughts · unusual confidence or grandiosity · distractibility · a surge in goal-directed activity · risk-taking that is out of character.
The change is noticeable to other people. Family, teachers, and friends can usually identify that something is different.
Then it ends, and the person returns to their baseline — or moves into a depressive episode.
2 · How common it actually is
A meta-analysis of 19 epidemiological studies covering 56,103 young people put the prevalence of bipolar spectrum disorders at 3.9%, and of bipolar I specifically at 0.6%.2
Two findings from that analysis are worth stating plainly, because they cut against a widely repeated story. Rates are not higher in the United States than in other Western countries, and they are not increasing over time. Newer studies were associated with lower rates, and the widest prevalence estimates came from studies using broad rather than standard diagnostic criteria.2
3 · What it is not
Chronic irritability is not bipolar disorder.
A child who is irritable most days, with frequent outbursts, and no distinct periods of markedly changed mood, is describing something different. In the DSM-5 that picture is disruptive mood dysregulation disorder, and DMDD was introduced in part because chronic irritability in children had been widely interpreted as bipolar disorder.3
Mood swings are not the same as mood episodes. Children's moods change quickly and often. Episodes last days and change how a person functions.
Big emotions are not bipolar disorder. Intensity is a temperament trait as well as a symptom.
And ADHD looks similar in places. Distractibility, high activity, talkativeness, and impulsivity all overlap — but ADHD is consistent over time rather than episodic. Both can occur together, which is one reason assessment is difficult.
4 · How the patterns differ
| Pattern over time | Key feature | |
|---|---|---|
| Bipolar disorder | Distinct episodes lasting days, with return to baseline between | Marked change from usual self; reduced sleep need with high energy |
| DMDD | Chronic — irritable most days, most of the day | Frequent outbursts, no distinct episodes |
| ADHD | Consistent across settings and time | Attention and impulsivity, present from early childhood |
| Depression | Episodic low mood or irritability | Loss of interest, changes in sleep, appetite, energy |
| Anxiety | Often persistent, situationally triggered | Avoidance, worry, physical symptoms |
These co-occur frequently, which is why assessment looks at the whole picture rather than matching a checklist.
5 · How it is assessed
A child and adolescent psychiatrist, or a psychiatrist working with children.
What is involved: detailed history, usually over more than one appointment · information from parents, and separately from school · a timeline of mood over months or years, which is what distinguishes episodic from chronic · family history, which is relevant · screening for medical causes and for substances · assessment of anything co-occurring.
Diagnosis frequently takes time, and a provisional or descriptive picture may come before a firm diagnosis. That is not a failure — it is appropriate practice for a condition where the pattern over time is the evidence.
6 · What treatment involves
This is a psychiatric condition and treatment is medical. This page describes categories, not guidance.
Medication is central to management in bipolar disorder, and the choices, benefits, and risks are a conversation with a psychiatrist. Several classes are used and they carry monitoring requirements. We do not give medication guidance here.
Psychological therapy — including family-focused approaches and cognitive behavioral therapy — is used alongside medication.
Sleep is not a lifestyle footnote in bipolar disorder. Disrupted sleep can both signal and precipitate episodes, and stable sleep is part of management rather than general advice.
School support, since episodes affect attendance and performance. → IEPs and 504 plans
Recognizing early warning signs — the individual pattern that precedes an episode — is something families and clinicians work out together, and it is one of the more useful things to develop.
7 · When to seek help urgently
Contact your child's doctor or seek urgent care if
- Your child talks about wanting to die, or about hurting themselves — call or text 988
- Your child is not sleeping and appears energized rather than tired
- There is a marked, sudden change in behavior, thinking, or contact with reality
- Your child is taking risks that could seriously harm them
- Your child is not eating, or not attending school
If you believe your child is in immediate danger, call 911 or go to an emergency department.
Frequently asked questions
What is bipolar disorder in children?
A condition involving distinct episodes of elevated, expansive, or unusually irritable mood lasting days at a time, representing a clear change from how a child normally is, usually alongside depressive episodes.
Is my child bipolar if they have big mood swings?
Rapid mood changes are common in children and are not the same as mood episodes. Bipolar disorder involves periods lasting days, with a marked change from a child's usual state and a return to baseline afterward.
What is the difference between bipolar disorder and DMDD?
DMDD is chronic irritability most days with frequent outbursts and no distinct episodes. Bipolar disorder is episodic. DMDD was added to the DSM-5 partly because chronic irritability in children had frequently been interpreted as bipolar disorder.
Can bipolar disorder be diagnosed in a young child?
It is uncommon in young children and more often identified in adolescence. Diagnosis relies on the pattern over time, which is why it usually takes more than one appointment.
Can a child have bipolar disorder and ADHD?
Yes, and the overlap makes assessment difficult. ADHD is consistent over time; bipolar is episodic. That distinction is what a clinician looks for.
Who diagnoses bipolar disorder in children?
A child and adolescent psychiatrist. Assessment involves detailed history from home and school, and a timeline of mood over months.
What can I do while waiting for an assessment?
Keep a daily record of mood, sleep, and energy. It gives a clinician the timeline a single appointment cannot provide, and it is frequently the most useful thing a family brings.
Sources
- Dazzi, T., Gribble, R., Wessely, S., & Fear, N. T. (2014). Does asking about suicide and related behaviours induce suicidal ideation? What is the evidence? Psychological Medicine, 44(16), 3361–3363. PMID 24998511
- Van Meter, A., Moreira, A. L. R., & Youngstrom, E. (2019). Updated meta-analysis of epidemiologic studies of pediatric bipolar disorder. The Journal of Clinical Psychiatry, 80(3), 18r12180. PMID 30946542
- Stringaris, A., Vidal-Ribas, P., Brotman, M. A., & Leibenluft, E. (2018). Practitioner Review: Definition, recognition, and treatment challenges of irritability in young people. Journal of Child Psychology and Psychiatry, 59(7), 721–739. PMID 29083031
- American Psychiatric Association. (2022). Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, Text Revision (DSM-5-TR) — criteria for manic, hypomanic, and major depressive episodes, and for disruptive mood dysregulation disorder.
- American Academy of Child & Adolescent Psychiatry. Bipolar Disorder in Children and Teens, Facts for Families. aacap.org
- 988 Suicide & Crisis Lifeline. 988lifeline.org
On sources. This page has no clinical reviewer, so its sources are doing the work a reviewer's credential would. Every reference above was checked and resolves. Where a claim rests on a specific finding rather than on general guidance, it is footnoted to the study it comes from.
Disclaimer. This page is for general educational purposes and does not constitute medical advice, diagnosis, or treatment. It has not been reviewed by a mental health clinician. If you are concerned about your child's mental health, speak to a qualified professional. In the US, call or text 988 for the Suicide & Crisis Lifeline.