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BMJ Case Reports 2016; doi:10.1136/bcr-2016-216348
  • CASE REPORT

Acute severe hyponatraemia secondary to polydipsia and associated herbal remedy use

Press Release
  1. Nikolaos Makris2
  1. 1Milton Keynes Hospital NHS Foundation Trust, Milton Keynes, UK
  2. 2Department of Critical Care, Milton Keynes Hospital NHS Foundation Trust, Milton Keynes, UK
  1. Correspondence to Dr Oliver T R Toovey, oliver.toovey{at}nhs.net
  • Accepted 13 August 2016
  • Published 28 September 2016

Summary

A 47-year-old woman presented with seizures secondary to euvolaemic hyponatraemia. A collateral history revealed recent increased oral fluid intake and increased use of herbal remedies including valerian root over the New Year period. There was no history of psychiatric disease to support psychogenic polydipsia. She responded to careful sodium replacement in the intensive care unit and was discharged with no neurological sequelae.

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