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[Hyponatremia due to prolonged excessive ingestion of water]

I Shavit1, J Diment, S Ravid

  • 1Dept. of Pediatrics A, Rambam Medical Center, Haifa.

Harefuah
|June 15, 1997
PubMed

Insights

A 1.5-year-old boy experienced hyponatremia from drinking too much water. This rare condition, known as water intoxication, was diagnosed using a water deprivation test.

Area of Science:

  • Pediatrics
  • Endocrinology
  • Nephrology

Background:

  • Water intoxication is a rare condition in older children, typically seen in infants fed dilute formula.
  • It occurs due to excessive voluntary water intake, leading to electrolyte imbalances.

Observation:

  • A 1.5-year-old boy presented with restlessness and constipation.
  • Initial assessment revealed severe hyponatremia (low sodium levels in the blood).

Findings:

  • The patient's hyponatremia was attributed to voluntary excessive water consumption.
  • A water deprivation test confirmed the diagnosis of water intoxication.

Implications:

  • This case highlights the importance of considering water intoxication in pediatric patients with unexplained hyponatremia.
  • It underscores the need for careful fluid management and parental education regarding water intake in children.

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