The causes of low sodium levels include drinking too much water; disorders of the heart, liver or kidney; and certain medications such as diuretics, according to the Mayo Clinic. Conditions that cause chronic vomiting ca... More »

Dehydration, Addison's disease, an excessive amount of vasopressin and the use of certain medications are all causes of low sodium levels, according to MedlinePlus. A normal sodium level ranges from 135 to 145 milliequiv... More »

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The use of medications such as diuretics as well as medical conditions such as decreased liver and kidney function lead to low sodium levels in the blood, or hyponatremia, in older adults, states Mayo Clinic. Other risk ... More »

The use of medications such as diuretics as well as medical conditions such as decreased liver and kidney function lead to low sodium levels in the blood, or hyponatremia, in older adults, states Mayo Clinic. Other risk ... More »

The causes of low sodium levels in the blood include certain medications, kidney, heart or liver problems, and chronic and severe vomiting or diarrhea, explains Mayo Clinic. When sodium levels drop slowly, the condition ... 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 »