What distinguishes Persistent Depressive Disorder with Pure Dysthymic Syndrome?

Persistent Depressive Disorder with Pure Dysthymic Syndrome is characterized by the presence of a chronic depressive mood that lasts for at least two years in adults (or one year in children and adolescents) without the occurrence of major depressive episodes. The key feature that defines this subtype is the consistent and prolonged nature of the depressive symptoms, which align with dysthymia but do not meet the criteria for major depressive episodes during that timeframe.

Choosing this answer highlights an important distinction in the diagnostic criteria outlined in the DSM-5, where "pure" refers to the absence of more severe mood disturbances that would indicate major depressive episodes. Thus, the person may experience a persistent low mood and may not enjoy life, but they do not have the episodic nature of depressive states that qualifies for Major Depressive Episodes.

The other options imply features associated with different types of depressive disorders or mood disorders, such as the presence of major depressive episodes, episodes of hypomania, or significant anxiety symptoms, which do not align with the diagnosis of Persistent Depressive Disorder with Pure Dysthymic Syndrome.