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Folie à deux: contagious mental illness? Report of a clinical case

Published online by Cambridge University Press:  01 September 2022

A. Costa ,
S. Jesus ,
M. Almeida  and
J. Alcafache
A. Costa*
Affiliation:
Baixo Vouga Hospital Centre - EPE, Psychiatry And Mental Health Department, Aveiro, Portugal
S. Jesus
Affiliation:
Baixo Vouga Hospital Centre - EPE, Psychiatry And Mental Health Department, Aveiro, Portugal
M. Almeida
Affiliation:
Baixo Vouga Hospital Centre - EPE, Psychiatry And Mental Health Department, Aveiro, Portugal
J. Alcafache
Affiliation:
Baixo Vouga Hospital Centre - EPE, Psychiatry And Mental Health Department, Aveiro, Portugal
*
*Corresponding author.

Abstract

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Introduction

Folie à deux is a clinical condition that was first described in 19th century. It is a psychotic disorder in which two closely associated individuals share a similar delusional system. However, folie à deux is still a matter of study and debate today as it remains a challenge for psychiatrists.

Objectives

The aim of this article is to report a clinical case of folie à deux, between na inducer son and an induced mother. Review the nosological significance of folie à deux and to explore the disorder among patients with psychosis.

Methods

Search in the PubMed/MedLine and Medscape databases with the following key words: folie à deux; shared psychosis; shared delusion.

Results

We presente a case of folie à deux between na inducer son 28 years old and the induced, his mother. They were found to be sharing similiar delusional beliefs. The patient has assumed the role of “man of the house” since his father’s death.

Conclusions

Many years after it was first described, folie à deux is still an interesting and challenging disorder to psychiatrists. Its recognition and correct referral for a rare diagnosis, such as folie a deux, are extremely important.

Disclosure

No significant relationships.

Keywords

Induced delusional disordershared psychosisfolie à deuxShared delusion
Type
Abstract
Information
European Psychiatry , Volume 65 , Special Issue S1: Abstracts of the 30th European Congress of Psychiatry , June 2022 , pp. S794
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2022. Published by Cambridge University Press on behalf of the European Psychiatric Association
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