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 - Northwestern Memorial Hospital - Chicago


The risks of weight loss surgery include:

  • Bleeding
  • Breakdown of the pouch needing repair
  • Death from breathing (respiratory) failure, blood clots to the lungs, or other complications
  • Gallstones and gallbladder attacks
  • Gastritis and heartburn
  • Infections
  • Malnourishment
    • Anemia from iron or vitamin B12 deficiencies
    • Calcium deficiency, which can contribute to the development of early osteoporosis or other bone disorders
  • Vomiting from eating more than the stomach pouch can hold

Another common complication from Roux-en Y gastric bypass is dumping syndrome. Symptoms often include:

  • Bloated feeling
  • Diarrhea
  • Dizziness
  • Nausea and vomiting
  • Sweating
Last UpdateMarch 29, 2013