DSM-IV to DSM-5 Dysthymic Disorder Comparison. Substance Abuse and Mental Health Services Administration.
Rockville (MD): Substance Abuse and Mental Health Services Administration (US); 2016 Jun. https://www.ncbi.nlm.nih.gov/books/NBK519704/table/ch3.t6/

Cleveland State University

Persistent depressive disorder, also known as dysthymia, is a depressive disorder identified by a long-term, chronic state of sadness.

Persistent Depressive Disorder (Dysthymia)

DSM-IV to DSM-5 Dysthymic Disorder Comparison

Persistent Depressive Disorder (PDD), formerly known as dysthymia, is a chronic form of depression diagnosed when an individual experiences a depressed mood for most of the day, on more days than not, for a minimum of two years. In addition to the persistent low mood, a diagnosis requires at least two other symptoms of major depressive disorder. Individuals with PDD are chronically sad and melancholic, but their symptoms do not meet the full criteria for a major depressive episode. However, it is possible for someone with PDD to also experience periods of full-blown major depressive disorder.

Persistent Depressive Disorder

Reference for an overview of Persistent Depressive Disorder (Dysthymia)

Read the clinical vignette below. Based on the symptoms described, identify the most likely diagnosis and provide a justification for your choice, citing specific evidence from the text.

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