The phenomenology of delusions of poisoning in persons with paranoid schizophrenia

Fortschritte der Neurologie-Psychiatrie
V RösslerRainer Richter

Abstract

The aim of the study was to investigate delusions of poisoning in people with paranoid schizophrenia. Specifically, how often delusions of poisoning occur, how the delusional content is represented and to what extent women and men differ in delusions of poisoning were analysed. Data were collected retrospectively from two psychiatric wards in Germany. Base material comprised the medical records of all persons receiving inpatient treatment due to their paranoid schizophrenia between 2010 and 2014 in one of the two psychiatric wards. The sample consisted of 156 people (96 women, 60 men) diagnosed with paranoid schizophrenia showing delusions of poisoning. Delusions of poisoning were a common delusional theme which significantly more often occurred in women than in men. Moreover, women were significantly more likely to have delusions of persecution in addition to their delusions of poisoning. Overall, people with delusions of poisoning often reported being poisoned by close relatives or health workers. Most of those affected assumed that poisoning was carried out through medication, food or drinks.

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