Q: My adult son was having severe nausea and vomiting. He went to the emergency room, where they told him his symptoms were caused by low blood sodium. What is this? A: Sodium is an important ...

Conversely, antagonism of the hemodynamic effects of the V 1A receptor may be desirable in patients with heart disease; therefore, the drug is approved for the treatment of hyponatremia associated ...

In older adults, low sodium often results from certain medications, kidney issues, or infections. Because multiple factors may contribute, treatment depends on identifying the underlying cause. Sodium ...