Low blood sodium, medically known as hyponatremia, is a condition in which the concentration of sodium in the blood falls below normal levels, leading to fluid imbalance in and around cells. Although ...

The anion gap blood test measures the acid-base and electrolyte balance in the blood. Results can show whether there is an imbalance in a person’s pH levels, which may be making the blood too acidic ...

Magnesium, potassium, or sodium? Learn what each electrolyte does, signs of low levels, and when a supplement may help.

Dear Dr. Roach: My mother’s blood test has a sodium level of 130 mEq/L. She is not on diuretics, and she does not have heart or kidney problems. She is on thyroid medication and omeprazole. Do I need ...

In older age, low sodium tends to be caused by taking certain medications, kidney problems, or infection. However, there can be multiple causes, and the treatment depends on the cause. Sodium is an ...

In a new study, researchers demonstrated long-term, non-invasive monitoring of blood sodium levels using a system that combines optoacoustic detection with terahertz spectroscopy. Accurate measurement ...

Hyponatremia, or low blood sodium concentration, is typically viewed as a symptomless condition—until recently. A research team led by Professor Yoshihisa Sugimura, including Dr. Haruki Fujisawa, ...

You may already know that salt isn't good for your blood pressure, but did you know that cutting it out of your diet for even one week can significantly lower your blood pressure?

SEATTLE -- Low-sodium oxybate (Xywav) reduced blood pressure as expected compared with the higher-sodium version (Xyrem), reduced nocturnal arousal, and appeared safe at doses above 9 g, a series of ...