Hypernatremia is when there's too much sodium and not enough water in your blood. Sodium is one of the electrolytes in your body, found mostly in your blood. It's important for many body functions.

Hypernatremia refers to sodium levels in the blood being too high. Common causes include inadequate fluid intake, or fluid loss. Sodium plays an essential role in functions such as muscle contraction, ...

Diabetes insipidus is a condition characterized by the overproduction of urine. It can lead to a potentially serious condition called hypernatremia when sodium levels in your blood are elevated.