
Hyponatremia - Symptoms and causes - Mayo Clinic
Jul 18, 2025 · Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.
Low blood sodium in older adults: A concern? - Mayo Clinic
Dec 24, 2025 · Low blood sodium, known as hyponatremia, occurs when you have an irregularly low amount of sodium in your blood or when you have too much water in your blood. Low blood sodium …
Hyponatremia - Diagnosis and treatment - Mayo Clinic
Jul 18, 2025 · Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.
Managing sodium and fluid intake to improve heart failure outcomes
Managing sodium and fluid levels is a delicate balance With heart failure management, the margin between dehydration and volume overload is narrow. The goals are to: Restore fluid balance. Protect …
Sodium: How to tame your salt habit - Mayo Clinic
Jun 28, 2023 · When sodium is high, the kidneys release some in urine. If the kidneys can't remove enough sodium, it builds up in the blood. Sodium attracts and holds water, so the blood volume rises. …
High potassium (hyperkalemia) In-depth - Mayo Clinic
May 30, 2024 · Hyperkalemia is the medical term for a potassium level in the blood that's higher than is healthy. Potassium is a chemical that nerve and muscle cells need to work. This includes the nerve …
Lithium (oral route) - Side effects & dosage - Mayo Clinic
Nov 1, 2025 · Make sure that your doctor knows if you are on a low-sodium or low-salt diet. Too little salt in your diet could lead to serious side effects. Talk to your doctor about the correct amount of fluid to …
Tolvaptan (oral route) - Side effects & dosage - Mayo Clinic
Description Tolvaptan is used to treat hyponatremia (low sodium in the blood) in patients with heart failure or syndrome of inappropriate antidiuretic hormone (SIADH). Tolvaptan is also used to slow …
Blood urea nitrogen (BUN) test - Mayo Clinic
Aug 5, 2023 · The urea travels from your liver to your kidneys through your bloodstream. Healthy kidneys filter urea and remove other waste products from your blood. The filtered waste products …
Spironolactone (oral route) - Side effects & dosage - Mayo Clinic
Dec 1, 2025 · This medicine may also cause electrolyte imbalances (including low sodium, magnesium, and calcium in the blood, hypochloremic alkalosis) and an increase in your uric acid and blood sugar …