Persistent Depressive Disorder
Depressed mood is present for most of the day, more days than not, with at least 2 associated symptoms.
Timing requirement
Duration
≥2 years in adults; ≥1 year in youth
1 wk1 mo6 mo1 yr2 yr
Timing in context
During the required period, symptom-free intervals last no longer than 2 months.
Sources and review
Last content review: August 21, 2026