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A 41-year-old female asked:

If potassium continues to be low after improving diet and blood tests are ok- ex. kidneys, etc.- what other tests to be done to find out reason?

1 doctor answer2 doctors weighed in
Dr. Jack Rubin
Nephrology and Dialysis 48 years experience
Low K cause: The most common cause of excessive potassium (k) loss is the use of prescription diuretics. Causes of k loss leading to low k include: chronic kidney failure, diabetic ketoacidosis, excessive sweating or use of laxatives, magnesium deficiency, vomiting, diarrhea and primary aldosteronism. See a nephrologist for help. Prescription diuretic (water or fluid pills) use primary aldosteronism.

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Last updated Dec 3, 2013

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