Positive symptoms of psychosis in posttraumatic stress disorder

Robert W. Butler · Kim T. Mueser · Joyce Sprock · David L. Braff

144 citations0/0 files storedBiological Psychiatry

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Posttraumatic Stress Disorder Research Schizophrenia research and treatment Psychoanalysis and Psychopathology Research

Abstract

The possible presence of hallucinations and delusional thoughts in posttraumatic stress disorder (PTSD) was investigated. Other symptom clusters were also assessed in order to further clarify the nature of PTSD. Twenty combat veterans with PTSD were compared to 18 combat veterans without PTSD on symptom rating scales. The subjects with PTSD exhibited a greater degree of depression, anxiety, agitation, anhedonia, and positive symptoms of psychosis than the comparison group. Specifically, the PTSD group manifested increased hallucinations, delusions, and bizarre behavior. Some of these positive symptoms did not appear to be due to reexperiencing of the trauma. The groups were not significantly different on indices of mania, thought disorder, or inertia. The clinical and diagnostic implications of the results are discussed. A diagnosis of PTSD should be considered with patients who have positive symptoms in the absence of thought disorder.

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References

2013Diagnostic and Statistical Manual of Mental Disorders 1988Diagnostic and Statistical Manual of Mental Disorders 2009Diagnostic and Statistical Manual of Mental Disorders 1988Mississippi Scale for Combat-Related Posttraumatic Stress Disorder: Three studies in reliability and validity.1945Men under stress 1984Etiology of Posttraumatic Stress Disorder in Vietnam veterans: Analysis of premilitary, military, and combat exposure influences.1990Physiological evidence of exaggerated startle response in a subgroup of Vietnam veterans with combat-related PTSD 1991Diagnostic issues in posttraumatic stress disorder: Considerations for the DSM-IV.

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