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Comparison

Comparison of Major Depressive Disorder and Persistent Depressive Disorder

Major Depressive Disorder (MDD) and Persistent Depressive Disorder (Dysthymia) are both depressive disorders, but they differ in terms of duration and severity of symptoms. MDD is characterized by one or more major depressive episodes, which are intense and last at least two weeks. Persistent Depressive Disorder involves a more chronic, but often less severe, depressed mood that lasts for at least two years.

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Updated 2025-10-06

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