Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
Hypernatremia is a serum sodium concentration gt; 150 mEq/L (gt; 150 mmol/L), usually caused by dehydration. Signs include lethargy and seizures. Treatment is cautious hydration with IV saline solution.
(Hypernatremia in adults is discussed elsewhere.)
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions