What Are the Normal Human Potassium Levels?


Quick Answer

Normal potassium levels vary and depend largely on a doctor's evaluation of a person's specific health condition, explains WebMD. In general, adults should exhibit potassium levels between 3.5 and 5.2 milliequivalents per liter.

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Full Answer

A healthy potassium level for a child should rest anywhere between 3.4 and 4.7 milliequivalents per liter. Ihile infants should display a level between 4.1 to 5.3 milliequivalents per liter, and newborns should possess levels of 3.9-5.7 milliequivalents per liter, explains WebMD. If a person exhibits high levels of potassium, there may be too much acid in his blood, or he may have experienced an injury preventing his kidneys from effectively removing potassium. Causes of low levels of potassium consist of an overproduction of aldosterone by the adrenal glands, alcoholism, dehydration and kidney diseases such as Bartter's syndrome.

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