How does potassium intake affect kidney function?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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Answer

Kidneys adapt to acute and chronic alterations in potassium intake. When potassium intake is chronically high, potassium excretion likewise is increased. In the absence of potassium intake, however, obligatory renal losses are 10-15 mEq/day. Thus, chronic losses occur in the absence of any ingested potassium.


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