Authors
Karol Piotr Mirkowski, Kalina Aleksandra Hac, Zuzanna Kryś, Jerzy Leszek
Published in
Diseases (Basel, Switzerland). Volume 14. Issue 4. Apr 20, 2026. Epub Apr 20, 2026.
Abstract
Post-psychotic depression (PPD) is an underestimated but clinically significant affective syndrome that occurs during remission from psychosis, particularly in schizophrenia.
This comprehensive review traces the evolution of this concept over five decades of research, starting from its initial differentiation from primary depression and schizoaffective disorders in the 1970s. Relying on more than thirty studies, we analyze historical definitions, biological and psychosocial mechanisms, diagnostic controversies, and therapeutic implications.
Research indicates that PPD develops from multiple contributing factors, including psychological insight, autobiographical disturbances, pharmacological influences, and social losses, rather than simply as a byproduct of psychosis or pharmacological treatment. We discuss the persistence of depressive symptoms after acute remission, their role in suicidal tendencies, and the diagnostic challenges arising from the overlap of negative symptoms and demoralization. Despite its exclusion from current diagnostic standards, PPD continues to affect a significant fraction of patients, particularly those with high insight and early onset.
Effective treatment requires a multidimensional, phase-specific approach combining antidepressants, atypical antipsychotics such as lurasidone, and psychological interventions targeting identity, self-esteem, and narrative processing. We argue that PPD should be reintroduced as a distinct clinical unit and incorporated into psychiatric guidelines to reduce diagnostic oversights and improve patient outcomes.
PMID:
42041642
Bibliographic data and abstract were imported from PubMed on 16 Sep 2026.
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