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HomeConditionsDepression & Bipolar (Mood Disorders)Bipolar I Disorder
Mental Health Condition

Bipolar I Disorder

Overview

Description

Bipolar I Disorder is characterized by at least one lifetime manic episode, often with recurrent depressive and hypomanic episodes. Mania involves a distinct period of abnormally and persistently elevated, expansive, or irritable mood and increased energy/activity, causing marked impairment, need for hospitalization, or psychosis.

Prevalence

Lifetime ~1%; similar across sexes. High rates of underdiagnosis/misdiagnosis early in course.

Age of Onset

Late adolescence to early adulthood; can occur across lifespan.

DSM-5 Code

296.xx (specify current or most recent episode and features)

ICD-10 Code

F31.x

Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Medical Review Board
Published: August 15, 2025
Last Updated: January 9, 2026
Last Reviewed: January 9, 2026

Diagnostic Criteria

Symptoms

Prognosis

Evaluation

Specifiers

Neurobiology

Risk Factors

Comorbidities

Warning Signs

Impact On Life

Severity Levels

Treatment Goals

Prognosis Factors

When To Seek Help

Real Life Examples

Developmental Stages

Self Help Strategies

Treatment Approaches

Overdiagnosis Factors

Missed Diagnosis Factors

This information about mental health conditions is for educational purposes only. If you believe you may be experiencing symptoms of a mental health condition, please consult with a qualified healthcare professional for proper evaluation and diagnosis.

Seeking Help for Bipolar I Disorder?

If you recognize these symptoms in yourself or a loved one, know that help is available. Mental health conditions are treatable with options like Cognitive Behavioral Therapy, and early intervention can make a significant difference.
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