Sodium is an electrolyte that helps regulate water levels and other bodily substances. Low sodium levels, or hyponatremia, can lead to lethargy, confusion, fatigue, and other symptoms.

Medically reviewed by Melissa Nieves, LND Electrolytes regulate many body functions, including water balance, waste removal, and blood pressure. When you're low on certain electrolytes, you may ...

Your symptoms might point your doctor to SIADH, but often it is suspected on a routine blood test when the sodium concentration is low. Follow-up blood or urine tests can confirm the diagnosis.

If you suddenly have symptoms of low blood pressure—fainting, fatigue, blurred vision, and breathlessness—make sure to lie ...

Q. You’ve written about problems with low sodium levels due to blood pressure pills or even very low-sodium diets. Don’t overlook the dangers of fluoxetine in older people.

Very low sodium levels can cause confusion, and in severe cases, seizures and even comas can occur. Free water restriction is the primary treatment, although sometimes sodium is necessary. The sodium ...

Although blood pressure pills containing diuretics are the most common culprits, antidepressants and proton pump inhibitors for heartburn may also trigger this condition (European Journal of Internal ...

The low-sodium, neutral-ash diet was prescribed, and water was given up to 3000 cc. daily. The edema cleared on this form of treatment, and the patient required no mercurial injections for the 10 ...

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 ...