N
InsightHorizon Digest

Is a sodium level of 126 dangerous

Author

Isabella Turner

Updated on March 31, 2026

A: The normal level of sodium in the blood is between 135 mEq/L (milliequivalents per liter) and 145 mEq/L. A level below 135 is low. Doctors call it hyponatremia. In general, a sodium level of 130 mEq/L or higher is not dangerous unless there has been a recent rapid fall from a normal blood level.

What does 126 sodium level mean?

Your blood sodium level is normal if it’s 135 to 145 milliequivalents per liter (mEq/L). If it’s below 135 mEq/L, it’s hyponatremia. Your doctor will be able to tell you whether your level is too low.

What does a sodium level of 125 mean?

Severe hyponatremia occurs when levels drop below 125 mEq/L. Health issues arising from extremely low sodium levels may be fatal. Hyponatremia is the most common electrolyte disorder that doctors encounter. Research suggests that approximately 1.7 percent of people in the United States have the condition.

Is 126 a good sodium level?

A normal blood sodium level is between 135 and 145 milliequivalents per liter (mEq/L). Hyponatremia occurs when the sodium in your blood falls below 135 mEq/L. Many possible conditions and lifestyle factors can lead to hyponatremia, including: Certain medications.

How do you raise your sodium level?

  1. Intravenous fluids. Your doctor may recommend IV sodium solution to slowly raise the sodium levels in your blood. …
  2. Medications. You may take medications to manage the signs and symptoms of hyponatremia, such as headaches, nausea and seizures.

How long does it take to recover from low sodium?

Generally, low sodium is asymptomatic (does not produce symptoms), when it is mild or related to your diet. It can take weeks or months for you to experience the effects of low salt in your diet—and these effects can be corrected by just one day of normal salt intake.

How do you fix low sodium?

  1. cutting back on fluid intake.
  2. adjusting the dosage of diuretics.
  3. taking medications for symptoms such as headaches, nausea, and seizures.
  4. treating underlying conditions.
  5. infusing an intravenous (IV) sodium solution.

How much water should I drink for hyponatremia?

The authors of the study report that hyponatremia symptoms can develop if a person drinks 3–4 liters of water in a short period, though they do not give a specific time estimate. According to one case report , soldiers developed symptoms after consuming at least 2 quarts (1.9 liters) of water per hour.

Will eating salt help hyponatremia?

In elderly patients with a diet poor in protein and sodium, hyponatremia may be worsened by their low solute intake. The kidney’s need to excrete solutes aids in water excretion. An increase in dietary protein and salt can help improve water excretion.

What happens if sodium is low?

Low blood sodium is common in older adults, especially those who are hospitalized or living in long-term care facilities. Signs and symptoms of hyponatremia can include altered personality, lethargy and confusion. Severe hyponatremia can cause seizures, coma and even death.

Article first time published on

Why do you get low sodium?

A low sodium level has many causes, including consumption of too many fluids, kidney failure, heart failure, cirrhosis, and use of diuretics. Symptoms result from brain dysfunction.

What organs are affected by hyponatremia?

Hyponatremia occurs when your blood sodium level goes below 135 mEq/L. When the sodium level in your blood is too low, extra water goes into your cells and makes them swell. This swelling can be dangerous especially in the brain, since the brain cannot expand past the skull.

How quickly can you replace sodium?

Clinical recommendationEvidence ratingCommentsIn patients with severe symptomatic hyponatremia, the rate of sodium correction should be 6 to 12 mEq per L in the first 24 hours and 18 mEq per L or less in 48 hours.CConsensus guidelines based on systematic reviews

Can low-sodium affect your eyes?

Hyponatremia can cause neurological problems such as seizures however its ocular side effects are not commonly encountered in daily practice. A decrease in sodium levels can cause choroidal swelling leading to hyperopic shifts.

How do elderly increase sodium levels?

  1. Adjust or change medications.
  2. Cut back on water and fluid consumption.
  3. Seek treatment for underlying conditions or diseases.
  4. Eat foods that are high in sodium.
  5. Increase dietary protein to aid in water excretion.
  6. Infusing an intravenous sodium solution.

What medications increase sodium levels?

  • Diuretics.
  • Sodium bicarbonate.
  • Sodium chloride.
  • Corticosteroids.
  • Anabolic steroids.
  • Adrenocorticotrophic steroids.
  • Androgens.
  • Oestrogens.

Can low sodium cause high blood pressure?

It also helps maintain both intercellular and intracellular fluid balances. Too much sodium (> 145 mEq/L) can adversely affect these fluid balances and thus contribute to high blood pressure. But, too little sodium (< 135 mEq/L) can have detrimental effects as well.

Can you recover from hyponatremia?

Most patients with hypovolemic hyponatremia can be treated successfully with isotonic saline solution (0.9% NaCl), but in the presence of severe symptoms, such as seizures or coma, hypertonic saline infusion is required [7].

Can low sodium cause stroke like symptoms?

Symptoms of hyponatremia can be indistinguishable from ischemic stroke and include changes in consciousness, seizure, or coma. Other neurological symptoms that are commonly associated with strokes, such as weakness, numbness, or uncoordinated movements, can also be seen with hyponatremia.

What is the most severe complication of hyponatremia?

Acute hyponatremia can lead to much more severe complications such as cerebral edema, brain disease, herniation of the brain, cardiopulmonary arrest, seizure, coma and even death.

Can hyponatremia cause psychosis?

Symptoms of hyponatremia can range from increased psychotic symptoms to seizures, coma and even death.

Can sodium cause puffy eyes?

Extra sodium can make your body retain water. The excess water causes puffiness in the face and body. This is especially common the morning after a salty meal. The thin skin around your eyes is at higher risk of getting puffy.