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Electrolyte and acid-base abnormalities associated with purging behaviors.

Philip S Mehler1,2,3, Kristine Walsh1

  • 1Eating Recovery Center of Denver, Denver, Colorado.

The International Journal of Eating Disorders
|February 16, 2016
PubMed
Summary

Purging behaviors in eating disorders frequently cause dangerous electrolyte and acid-base imbalances, such as hypokalemia and metabolic alkalosis. Prompt, definitive medical treatment is essential for successful recovery and managing these critical health risks.

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Area of Science:

  • Endocrinology
  • Gastroenterology
  • Psychiatry

Background:

  • Eating disorders involving purging behaviors often lead to significant physiological disturbances.
  • Electrolyte and acid-base abnormalities are common complications requiring medical attention.

Purpose of the Study:

  • To review the primary electrolyte and acid-base abnormalities associated with purging behaviors.
  • To outline current treatment strategies for these abnormalities.

Main Methods:

  • A qualitative review of existing medical literature was performed.
  • A systematic review was not feasible due to limitations in eating disorder-specific research.

Main Results:

  • Hypokalemia, hyponatremia, and metabolic alkalosis (responsive to sodium chloride) are the most frequent serum changes.
Keywords:
electrolytemetabolic alkalosispotassiumsodium

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  • The specific abnormalities depend on the type and frequency of purging behaviors.
  • These imbalances pose serious medical risks and necessitate medical intervention.

    • Conclusions:

    • Purging-related eating disorders cause complex, medically dangerous electrolyte and acid-base disturbances.
    • Definitive medical treatment is crucial for successful patient outcomes.
    • Understanding and addressing these physiological changes is a key component of comprehensive care.