Anergic dysthymia is a subtype of persistent depressive disorder that is linked to low levels of dopamine and norepinephrine in the brain. The most noticeable symptoms of anergic dysthymia are lethargy, decreased energy, decreased motivation, hypersomnia, and anhedonia.

State University of New York at Albany

Sub-types of Persistent Depressive Disorder (Dysthymia)

Melrose, S. (2017). Persistent depressive disorder or dysthymia: An overview of assessment and treatment approaches. Open Journal of Depression, 6, 1-13. doi.org/10.4236/ojd.2017.61001

Reference for an Overview of Persistent Depressive Disorder

Halverson, J. (2019). Dysthymic disorder. Medscape. https://emedicine.medscape.com/article/290686-overview#?form=fpf

Dysthymic Disorder Reference

Anxious dysthymia is a subtype of persistent depressive disorder that is linked to low serotonin levels in the brain. Low levels of serotonin can disrupt emotion regulation and relaxation during stressful events. The most prominent symptoms of anxious dysthymia include low self-esteem, self-doubt, rejection sensitivity, increased agitation, and the possibility of developing insomnia. When the individual who suffers from anxious dysthymia are under stress, their symptoms get worse.

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