Low levels of sodium in the blood, a condition known as hyponatremia, may be an indicator that the body is retaining rather than excreting excess water; this may be the result of an overproduction of the anti-diuretic ho... More »

Sodium levels are measured with blood or urine testing, explains MedlinePlus. The amount of sodium in the blood should range from 135 to 145 milliequivalents per liter. Depending on the laboratory where the test is perfo... More »

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Common causes of hypochloremia, or low chloride levels, include congestive heart failure, dehydration, excessive sweating and dehydration. Hyponatremia, or low sodium levels in the blood or urine, can occur as a result o... More »

People can prevent hyponatremia, or low levels of sodium in the blood, by treating other conditions that lead to hyponatremia, learning about their condition, taking precautions when engaging in activities that lead to f... More »

Low sodium in the blood, or hyponatremia, has several possible causes, including certain medications, syndrome of inappropriate anti-diuretic hormone, hormonal changes and heart, kidney or liver conditions. Other sources... More »

Low sodium in the body, also known as hyponatremia, is caused by hormonal changes; dehydration; heart, kidney and liver problems; or chronic, severe diarrhea or vomiting, according to Mayo Clinic. Some medications, such ... More »

Low blood sodium, called hyponatremia, is a level of sodium in the blood that is lower than normal, states MedicineNet. It occurs when the body loses fluid and sodium, an element the body needs to function properly, or w... More »

www.reference.com Health Medical Ranges & Levels