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Successful treatment with captopril of an elderly man with polydipsia and hyponatremia
M J Tueth1, J Broderick-Cantwell
1University of Florida, Department of Psychiatry, University of Florida Hospitals, Gainesville 32608.
Journal of Geriatric Psychiatry and Neurology
|April 1, 1993
Abstract:
A case of severe hyponatremia in a polydipsic 64-year-old man is described. He was unsuccessfully treated with both demeclocycline and lithium carbonate. However, low-dose captopril reversed the polydipsia and resulted in sustained normal serum sodium levels. We believe the antidipsogenic effect of captopril may benefit some patients with polydipsia and hyponatremia.