Mood disorders
DEFINITION
- Mood disorders are illnesses that have profound effect on the patient’s emotional state. Generally, mood disorders can cause elevated mood (such as manic states) or low mood (such as depressive states).
- Mood disorders are often comorbid with other illnesses (OCD, anxiety, substance-use disorder).
- An estimated 9.7% of U.S. adults had any mood disorder in the past year.[1]
- In general, when taking a detailed mood history, the temporality of symptoms can be extremely helpful in determining an accurate diagnosis. (e.g. How long do symptoms last? Are they episodic or persistent in nature? Is there a particular time of year that symptoms tend to come up?)
More information on specific mood disorders can be found within each topic:
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Last updated: August 23, 2025
Citation
Adnane, Lydia. "Mood Disorders." Johns Hopkins Psychiatry Guide, The Johns Hopkins University, 2025. Johns Hopkins Guides, www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787163/all/Mood_disorders.
Adnane L. Mood disorders. Johns Hopkins Psychiatry Guide. The Johns Hopkins University; 2025. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787163/all/Mood_disorders. Accessed October 16, 2025.
Adnane, L. (2025). Mood disorders. In Johns Hopkins Psychiatry Guide. The Johns Hopkins University. https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787163/all/Mood_disorders
Adnane L. Mood Disorders [Internet]. In: Johns Hopkins Psychiatry Guide. The Johns Hopkins University; 2025. [cited 2025 October 16]. Available from: https://www.hopkinsguides.com/hopkins/view/Johns_Hopkins_Psychiatry_Guide/787163/all/Mood_disorders.
* Article titles in AMA citation format should be in sentence-case
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