McIntyre, R. S., Zimmerman, M., Goldberg, J. F., & First, M. B. (2019, May 14). Differential Diagnosis of Major Depressive Disorder Versus Bipolar Disorder: Current Status and Best Clinical Practices. Psychiatrist.com. https://www.psychiatrist.com/jcp/the-differential-diagnosis-of-mdd-versus-bp/

Differential Diagnosis of Major Depressive Disorder Versus Bipolar Disorder

State University of New York at Albany

Bipolar and Related Disorders are recognized by unusual shifts in mood, energy, activity levels, and concentration, affecting the ability to carry out day-to-day tasks. The presence of mania is a defining trait of bipolar disorder. These shifts range from periods of manic episodes (being extremely “up”, elated, irritable, or energized) and depressive episodes (being very “down”, indifferent, or hopeless).

Bipolar and Related Disorders

The DSM-5-TR separates Bipolar and Related Disorders into the following specific disorders:
- Bipolar I Disorder
- Bipolar II Disorder
- Cyclothymic Disorder
- Substance/Medication-Induced Bipolar and Related Disorder
- Bipolar and Related Disorder Due to Another Medical Condition
- Other Specified Bipolar and Related Disorder
- Unspecified Bipolar and Related Disorder
- Unspecified Mood Disorder


[DSM-5-TR] List of Bipolar and Related Disorders

The DSM-5-TR outlines certain specifiers to help specify the condition of Bipolar and Related Disorders according to the different states and condition of the individual. These specifiers are broken down as followed:

Specify if:
- With Anxious Distress
- With Mixed Features
- With Rapid Cycling
- With Melancholic Features
- With Atypical Features
- With Psychotic Features
- With Catatonia
- With Peripartum Onset
- With Seasonal Patterns

Specify if:
- In Partial Remission
- In Full Remission

Specify current severity of manic episode::
- Mild
- Moderate
- Severe

Specify current severity of major depressive episode:
- Mild
- Moderate
- Severe


[DSM-5-TR] Specifiers for Bipolar and Related Disorders

This list includes disorders or conditions that are related to bipolar and manic/depressive states or features but are not currently directly or officially included in the DSM. These disorders include:
- TBD


List of Other Recognized Bipolar and Related Disorders

This list includes different theories or concepts that are used to explain, define, or otherwise provide further insight into the workings of bipolar and related disorders. These include:
- Symptoms of Bipolar Disorder
- Difference Between Bipolar I & Bipolar II


Theories and Concepts Relevant to Bipolar and Related Disorders

The collection of references for nodes pertaining to Bipolar and Related Disorders.

References for Bipolar and Related Disorders

1. Genetics
2. Prenatal and perinatal factors
3. Childhood trauma
4. Psychological stressors
5. Substance misuse
6. Medical comorbidities
7. Demographic factors
8. Others

Most of the research considers genetics as the strongest risk factor for bipolar disorder.

Risk Factor for Bipolar Disorder

References for  Rapid Cycling Bipolar Disorder 

Rapid cycling is a subtype of bipolar disorder characterized by the occurrence of at least four manic episodes, or a combination of at least four manic and major depressive episodes, within a one-year period.

Rapid Cycling Bipolar Disorder

Bipolar disorder is a mood disorder that causes those impacted to shift back and forth between depression and mania.

Bipolar Disorder

Mood disorders have been proven to have genetic basis. Individuals with relatives who have major depressive disorder are twice likely to develop such disorder. Individuals with twins with major depressive disorder are also prone to develop major depressive disorder themselves.

Individuals with relatives with bipolar disorder will nine times more likely to develop bipolar disorder themselves. Individuals with twins with bipolar disorder are also prone to develop such a disorder themselves.

Genetic Basis for Mood and Bipolar Disorders

Treatment and management of bipolar and related disorders typically involve a comprehensive approach combining multiple strategies. These interventions generally encompass foundational treatment plans, pharmacological treatments (such as mood stabilizers and antidepressants), psychotherapy, specialized medical procedures (such as ECT and TMS), and proactive lifestyle adjustments.

Treatment and Management of Bipolar and Related Disorders

Interdisciplinary connections and research related to bipolar and related disorders involve the intersection of this topic with other fields of study. These fields include behavioral neuroscience, clinical psychology, disability studies, health psychology, and mindfulness.

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