What causes hypokalemia (low potassium)?

Updated: Dec 06, 2018
  • Author: Eleanor Lederer, MD, FASN; Chief Editor: Vecihi Batuman, MD, FASN  more...
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If the urine potassium level is less than 20 mEq/L, consider the following:

  • Diarrhea and use of laxatives

  • Diet or total parenteral nutrition (TPN) contents

  • The use of insulin, excessive bicarbonate supplements, and episodic weakness

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