Which complications can occur during weight loss?

Updated: Jun 09, 2021
  • Author: Osama Hamdy, MD, PhD; Chief Editor: Romesh Khardori, MD, PhD, FACP  more...
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Although obesity in itself is associated with increased morbidity and mortality, massive, poorly monitored weight loss and/or weight cycling can have equally dire consequences. Among the important potential complications to watch out for in the setting of weight loss are the following:

  • Cardiac arrhythmias

  • Electrolyte derangements - Hypokalemia is the most important of these

  • Hyperuricemia

  • Psychological sequelae - Including depression and the development of eating disorders (particularly binge-eating disorders)

  • Cholelithiasis

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