Polydipsia and hyponatremia in psychiatric patients.

  title={Polydipsia and hyponatremia in psychiatric patients.},
  author={B P Illowsky and Darrell G. Kirch},
  journal={The American journal of psychiatry},
  volume={145 6},
Many psychiatric patients have polydipsia and polyuria without identifiable underlying medical causes. Hyponatremia develops in some polydipsic patients and can progress to water intoxication with such symptoms as confusion, lethargy, psychosis, and seizures or death. This syndrome is sometimes called "compulsive water drinking," "psychogenic polydipsia," and "self-induced water intoxication." Although the underlying pathophysiology of the syndrome is unclear, several factors have been… CONTINUE READING