Chronic major depression can be diagnosed as a form of Major Depressive Disorder. This specifier applies to the current or most recent Major Depressive Episode in Major Depressive Disorder and to a Major Depressive Episode in Bipolar I or Bipolar II Disorder only if it is the most recent type of mood episode.
The full criteria for a Major Depressive Episode have been met continuously for at least the past 2 years in order for the “Chronic specifier” to be used.
Association, A. (2006). Chronic Major Depression. Psych Central. Retrieved on October 25, 2014, from http://psychcentral.com/lib/chronic-major-depression/000627
Last reviewed: By John M. Grohol, Psy.D. on 30 Jan 2013
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