See answer below: There are many causes of foot cramps including dehydration, mineral deficiencies (potassium, sodium, calcium, magnesium), and Vit D deficiency. Certainly both your sodium and potassium levels are low and your fairly normal BUN and low sodium would not be consistent with significant dehydration. Further evaluation, testing, and a trial of correction of any mineral deficiencies would be prudent.
Answered 10/11/2015
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A doctor has provided 1 answer
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