Bipolar II disorder

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Bipolar II disorder
File:Lamictal 25mg.JPG
Lamotrigine, a medication used in the treatment of Bipolar II disorder
Synonyms N/A
Pronounce N/A
Specialty N/A
Symptoms Hypomania, depressive episodes
Complications N/A
Onset Late adolescence to early adulthood
Duration Long-term
Types N/A
Causes Genetic predisposition, environmental factors
Risks Family history, stress, substance abuse
Diagnosis Clinical assessment, DSM-5 criteria
Differential diagnosis Bipolar I disorder, major depressive disorder, borderline personality disorder
Prevention N/A
Treatment Psychotherapy, mood stabilizers, antidepressants
Medication Lamotrigine, quetiapine, lithium
Prognosis Variable; chronic condition with potential for management
Frequency Approximately 0.5% of the population
Deaths N/A


Bipolar II disorder is a type of bipolar spectrum disorder characterized by at least one hypomanic episode and one major depressive episode. It differs from Bipolar I disorder in that individuals with Bipolar II have never experienced a full manic episode. If a full manic episode is experienced, the diagnosis would be changed to Bipolar I disorder.

Definition and Diagnosis[edit]

Bipolar II disorder is diagnosed when a person experiences at least one episode of hypomania and at least one episode of major depression. A key distinguishing feature of this disorder is that the individual must never have experienced a full manic episode. Hypomania is a mood state characterized by persistent and pervasive elevated, expansive, or irritable mood. It is less severe than a full-blown manic episode, but it still results in a noticeable difference in behavior compared to the person's baseline mood. Major depression involves a persistent feeling of sadness or a lack of interest in outside stimuli. It is characterized by the presence of five or more depressive symptoms over a two-week period. It's important to note that while hypomanic episodes in Bipolar II disorder are not as intense as manic episodes seen in Bipolar I disorder, the depressive episodes are often more severe and longer-lasting.

Symptoms[edit]

Hypomania[edit]

During a hypomanic episode, individuals may experience:

  • Increased energy, activity, and restlessness
  • Euphoric mood
  • Extreme irritability
  • Racing thoughts, rapid speech
  • Decreased need for sleep
  • Unusually high self-esteem

Major Depression[edit]

Symptoms of a major depressive episode may include:

  • Persistent sad, anxious, or "empty" mood
  • Feelings of hopelessness or pessimism
  • Feelings of guilt, worthlessness, or helplessness
  • Decreased energy, fatigue, feeling "slowed down"
  • Difficulty concentrating, remembering, or making decisions
  • Insomnia, waking up too early, or oversleeping

Treatment[edit]

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Seroquel 100mg and 25mg

Bipolar II disorder is typically treated with a combination of medication and psychotherapy. Mood stabilizers such as lithium or anticonvulsant medications can be effective in preventing episodes of hypomania and depression. In some cases, antidepressants may be used, but they can sometimes trigger a hypomanic episode. Psychotherapy, such as cognitive behavioral therapy or family-focused therapy, can be beneficial in helping individuals manage symptoms and cope with the disorder.

See Also[edit]

External links[edit]



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