Hyponatremia refers to an abnormally low level of the electrolyte sodium (salt) in the blood. Sodium is an electrolyte that helps regulate the amount of water within and around cells in the body.

HOUSTON, Texas (KTRK) -- Marathoners know better than most to stay hydrated. Your body does need lots of fluid before, during, and after the race, but it's possible to overdo it. That can lead to a ...

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 ...

Patients with ACTH/cortisol deficiency and hyponatremia have inappropriately elevated AVP levels as well as direct renal impairment of urinary dilution. In addition, glucocorticoid replacement ...

Hyponatremia (defined as serum sodium concentration <135 mmol/l) represents a previously unrecognized cause of osteoporosis, say researchers of a new study published in the Journal of Bone and Mineral ...