Signs & assessment
What signs might suggest depression?
Examples include persistent low mood, reduced enjoyment, low energy and problems with sleep or concentration. These examples are not a complete checklist and cannot be used for self-diagnosis. [1]
General information for adults. Not medical or psychotherapeutic advice; not a substitute for examination, diagnosis or treatment.
Sources & editorial status
- IQWiG · InformedHealth.org: Depression ↗
Plain-language overview. Used for terminology, symptoms and course.
Compiled from an existing article: 31 October 2026. Source comparison in the article: 29 October 2026. Prepared with AI assistance; independent medical review is pending. Editorial compilation; independent medical expert review has not taken place.
Editorial responsibility: Mario V.W.B.R. Obst. Known limitations and the use of each source are explained alongside the reference. A source-comparison date is not the publication date of the original source.