Water intoxication and rhabdomyolysis

J Tomiyama1, H Kametani, Y Kumagai

  • 1Department of Internal Medicine, Bokuto Metropolitan Hospital, Tokyo, Japan.

Summary

A 44-year-old woman was admitted with severe hyponatremia after drinking 3 liters of water following alcohol consumption. Her sodium levels were dangerously low at 115 mEq/l, indicating water intoxication. After excreting a large amount of dilute urine, her sodium levels improved. However, her creatine phosphokinase and myoglobin levels later rose sharply, suggesting muscle damage. The study proposes a possible link between water intoxication and rhabdomyolysis based on the patient's clinical timeline. The findings suggest that hyponatremia may precede muscle damage in some cases, but further research is needed to confirm this connection.

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