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Mood disorders are mental health conditions that primarily affect a person's emotional state [1][2][3][4]. The most common types of mood disorders are major depression, dysthymia (dysthymic disorder), bipolar disorder and seasonal affective disorder (SAD) [1][2][4]. Other less common forms include dysthymic disorder and cyclothymic disorder [5], as well as those associated with substance use disorders [7] and Attention Deficit Hyperactivity Disorder (ADHD) [6]. Treatment for mood disorders typically involves psychotherapy or medication management to help regulate emotions and improve quality of life.

[1]: Mood disorders - Symptoms and causes - Mayo Clinic (
[2]: Mood Disorders | Johns Hopkins Medicine (
[3]: Mood Disorders: What They Are, Symptoms & Treatment (
[4]: Mood Disorders | (
[5]: Mood Disorders: Dysthymic Disorder and Cyclothymic Disorder (
[6]: Mood Disorders & ADHD - (
[7]: Mood Disorders and Substance Use Disorder: A Complex ... (


Mood disorders are a group of mental health conditions that involve changes in mood, such as depression and bipolar disorder. These conditions can cause significant distress and interfere with daily life. Symptoms may include feelings of sadness or hopelessness, difficulty concentrating, fatigue, irritability, sleep disturbances, appetite changes, and thoughts of suicide. Treatment typically involves psychotherapy and medications to help manage symptoms.