How do the kidneys adapt to alterations in potassium intake?

Updated: Jun 20, 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 also is increased. Even in the absence of potassium intake, however, obligatory renal losses amount to 10-15 mEq/day. Thus, chronic losses occur in the absence of any ingested potassium.


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