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Hyponatremia




Causes

Hyponatremia is caused by conditions such as water retention and renal failure that result in a low sodium level in the blood.



Pseudohyponatremia occurs when too much water is drawn into the blood; it is commonly seen in people with hypoglycemia (low blood sugar).



Psychogenic polydipsia occurs in people who compulsively drink more than four gallons of water a day.



Hypovolemic hyponatremia (with low blood volume due to fluid loss) occ...Read the full article