Severe water intoxication and secondary depressive syndrome in relation to delusional infestation

Jianbo Lai,1 Qiaoqiao Lu,1 Yi Xu,1,2 Shaohua Hu1,2 1Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China; 2The Key Laboratory of Mental Disorder’s Management in Zhejiang Province, Hangzhou, Peo...

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Autores principales:	Lai J, Lu Q, Xu Y, Hu S
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2016
Materias:	delusional infestation depressive syndrome suicide water intoxication Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
Acceso en línea:	https://doaj.org/article/a14cf5d9c1be44b29192328d1d1b2fa8
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spelling	oai:doaj.org-article:a14cf5d9c1be44b29192328d1d1b2fa82021-12-02T00:09:59ZSevere water intoxication and secondary depressive syndrome in relation to delusional infestation1178-2021https://doaj.org/article/a14cf5d9c1be44b29192328d1d1b2fa82016-02-01T00:00:00Zhttps://www.dovepress.com/severe-water-intoxication-and-secondary-depressive-syndrome-in-relatio-peer-reviewed-article-NDThttps://doaj.org/toc/1178-2021Jianbo Lai,1 Qiaoqiao Lu,1 Yi Xu,1,2 Shaohua Hu1,2 1Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China; 2The Key Laboratory of Mental Disorder’s Management in Zhejiang Province, Hangzhou, People’s Republic of China Abstract: This study presents a case of severe water intoxication in a female patient with delusional infestation. Self-induced excessive water ingestion is a rare medical condition, which has not been reported in patients with delusional infestation yet. The patient in this case study was a 60-year-old Chinese woman, who was admitted to our hospital because of a feeling of skin infestation. She suffered from loss of consciousness and generalized tonic–clonic seizure after drinking 12 L of water during bowel cleansing before colonoscopy. Sufficient laboratory and imaging examinations were performed to exclude other possible causes of severe hyponatremia, such as hypothyroidism, diabetes insipidus, and syndrome of inappropriate antidiuretic hormone. Besides, the cystic lesion in the posterior pituitary revealed by cranial magnetic resonance imaging was not accountable for her delusional symptoms as well as excessive drinking behavior. Her delusional symptoms were in complete remission with a combination of risperidone and aripiprazole. However, nearly 3 months after discharge, this patient suffered from depressed mood and was diagnosed with depressive syndrome, and even attempted suicide. This case highlights the possibility of self-induced water intoxication in patients with delusional infestation, inevitably adding to the complexity of the disease, and indicates the necessity of precautions for secondary psychotic or mood problems after symptomatological remission. Keywords: delusional infestation, depressive syndrome, suicide, water intoxicationLai JLu QXu YHu SDove Medical Pressarticledelusional infestationdepressive syndromesuicidewater intoxicationNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Neurology. Diseases of the nervous systemRC346-429ENNeuropsychiatric Disease and Treatment, Vol 2016, Iss Issue 1, Pp 517-521 (2016)
institution	DOAJ
collection	DOAJ
language	EN
topic	delusional infestation depressive syndrome suicide water intoxication Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429
spellingShingle	delusional infestation depressive syndrome suicide water intoxication Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 Neurology. Diseases of the nervous system RC346-429 Lai J Lu Q Xu Y Hu S Severe water intoxication and secondary depressive syndrome in relation to delusional infestation
description	Jianbo Lai,1 Qiaoqiao Lu,1 Yi Xu,1,2 Shaohua Hu1,2 1Department of Psychiatry, First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People’s Republic of China; 2The Key Laboratory of Mental Disorder’s Management in Zhejiang Province, Hangzhou, People’s Republic of China Abstract: This study presents a case of severe water intoxication in a female patient with delusional infestation. Self-induced excessive water ingestion is a rare medical condition, which has not been reported in patients with delusional infestation yet. The patient in this case study was a 60-year-old Chinese woman, who was admitted to our hospital because of a feeling of skin infestation. She suffered from loss of consciousness and generalized tonic–clonic seizure after drinking 12 L of water during bowel cleansing before colonoscopy. Sufficient laboratory and imaging examinations were performed to exclude other possible causes of severe hyponatremia, such as hypothyroidism, diabetes insipidus, and syndrome of inappropriate antidiuretic hormone. Besides, the cystic lesion in the posterior pituitary revealed by cranial magnetic resonance imaging was not accountable for her delusional symptoms as well as excessive drinking behavior. Her delusional symptoms were in complete remission with a combination of risperidone and aripiprazole. However, nearly 3 months after discharge, this patient suffered from depressed mood and was diagnosed with depressive syndrome, and even attempted suicide. This case highlights the possibility of self-induced water intoxication in patients with delusional infestation, inevitably adding to the complexity of the disease, and indicates the necessity of precautions for secondary psychotic or mood problems after symptomatological remission. Keywords: delusional infestation, depressive syndrome, suicide, water intoxication
format	article
author	Lai J Lu Q Xu Y Hu S
author_facet	Lai J Lu Q Xu Y Hu S
author_sort	Lai J
title	Severe water intoxication and secondary depressive syndrome in relation to delusional infestation
title_short	Severe water intoxication and secondary depressive syndrome in relation to delusional infestation
title_full	Severe water intoxication and secondary depressive syndrome in relation to delusional infestation
title_fullStr	Severe water intoxication and secondary depressive syndrome in relation to delusional infestation
title_full_unstemmed	Severe water intoxication and secondary depressive syndrome in relation to delusional infestation
title_sort	severe water intoxication and secondary depressive syndrome in relation to delusional infestation
publisher	Dove Medical Press
publishDate	2016
url	https://doaj.org/article/a14cf5d9c1be44b29192328d1d1b2fa8
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Severe water intoxication and secondary depressive syndrome in relation to delusional infestation

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