Self-induced water intoxication in schizophrenic patients. 1980

W O Smith, and M L Clark

The authors report on 21 cases of self-induced water intoxication and cite 25 others in the literature. Three of their patients demonstrated at least temporary inappropriate antidiuretic hormone secretion, 3 were receiving a diuretic, and the other 15 appeared to have "pure" water intoxication. Fifteen patients were receiving a psychotropic medication. Self-induced water intoxication appears to be more common in schizophrenic patients than is generally realized and should be suspected in any schizophrenic patient who develops convulsions or coma. Hyperdopaminergic CNS activity may be involved, and the authors suggest a possible mechanism similar to that for tardive dyskinesia.

UI MeSH Term Description Entries
D007177 Inappropriate ADH Syndrome A condition of HYPONATREMIA and renal salt loss attributed to overexpansion of BODY FLUIDS resulting from sustained release of ANTIDIURETIC HORMONES which stimulates renal resorption of water. It is characterized by normal KIDNEY function, high urine OSMOLALITY, low serum osmolality, and neurological dysfunction. Etiologies include ADH-producing neoplasms, injuries or diseases involving the HYPOTHALAMUS, the PITUITARY GLAND, and the LUNG. This syndrome can also be drug-induced. Antidiuretic Hormone, Inappropriate Secretion,Inappropriate Vasopressin Secretion Syndrome,SIADH,Schwartz-Bartter Syndrome,Syndrome of Inappropriate ADH (SIADH) Secretion,ADH Syndrome, Inappropriate,Schwartz Bartter Syndrome,Syndrome, Inappropriate ADH,Syndrome, Schwartz-Bartter
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D004573 Electrolytes Substances that dissociate into two or more ions, to some extent, in water. Solutions of electrolytes thus conduct an electric current and can be decomposed by it (ELECTROLYSIS). (Grant & Hackh's Chemical Dictionary, 5th ed) Electrolyte
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D012565 Schizophrenic Psychology Study of mental processes and behavior of schizophrenics. Psychology, Schizophrenic
D014869 Water Intoxication A condition resulting from the excessive retention of water with sodium depletion. Hyperhydration,Overhydration

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