Disorder in which five (or more) of the following symptoms have been present during the same 2-week period and represent a change from previous functioning; at least one of the symptoms is either (1) depressed mood or (2) loss of interest or pleasure. Symptoms include: depressed mood most of the day, nearly every day; markedly diminished interest or pleasure in activities most of the day, nearly every day; significant weight loss when not dieting or weight gain; Insomnia or hypersomnia nearly every day; psychomotor agitation or retardation nearly every day; fatigue or loss of energy nearly every day; feelings of worthlessness or excessive or inappropriate guilt; diminished ability to think or concentrate, or indecisiveness, nearly every day; or recurrent thoughts of death, recurrent suicidal ideation without a specific plan, or a suicide attempt. (DSM-5)

DUI

D003865 MeSH Browser

CUI

M0006031

History note

81; was PSYCHOSES, INVOLUTIONAL 1963-80; MELANCHOLIA, INVOLUTIONAL was see under PSYCHOSES, INVOLUTIONAL 1963-78

Online note

use DEPRESSION, INVOLUTIONAL to search PSYCHOSES, INVOLUTIONAL & MELANCHOLIA, INVOLUTIONAL 1966-80

Public note

81; was PSYCHOSES, INVOLUTIONAL 1963-80