Risks

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