Sodium deficiency does not normally result from inadequate dietary intakes. Sodium deficiency is called hyponatremia (hypo- means “low,” natrium means “sodium,” and -emia means “in blood”). In rare cases, excessive water intake can cause low sodium levels in the blood. Hyponatremia can be caused by prolonged, excessive sweating, prolonged vomiting or diarrhea, or the use of some diuretics. Symptoms of hyponatremia include headache, muscle cramps, fainting, fatigue, and disorientation.
Hyponatremia is something to watch for with intense sport competitions that last for many hours. Certain drugs can cause lowered sodium levels. These drugs include some diuretics, ibuprofen, naproxen, Prozac, and Elavil.
Figure 8-4 Sodium and potassium concentrations inside and outside of the cell.
Hyponatremia is something to watch for with intense sport competitions that last for many hours. Certain drugs can cause lowered sodium levels. These drugs include some diuretics, ibuprofen, naproxen, Prozac, and Elavil.
Figure 8-4 Sodium and potassium concentrations inside and outside of the cell.
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