The weight loss surgery risks and complications include, but are not limited to, the usual risks of any surgery using general anesthesia, including potential problems with:

  • Breathing, pneumonia
  • Blood clots, pulmonary embolism

  • Bleeding
  • Hernias at the site of the incision

  • Infection
  • Death

Potential Weight Loss Surgery Risks and Complications

Listed below are some, but not all of the potential complications. Your surgeon will discuss other possible complications as part of the informed consent process.

Roux-en Y Gastric Bypass Risks

  • Leaks
  • Internal hernia/Bowel obstruction
  • Stricture

Gastric Sleeve Risks

  • Leaks
  • Stricture

Adjustable Gastric Banding Risks

  • Band slippage
  • Port-site infection
  • Band erosion into stomach

Duodenal Switch Risks

  • Leaks
  • Internal Hernia/Bowel Obstruction
  • Malabsorption


Sandy's Success Story after weight loss surgery from MyNewSelf Bariatrics in Saint Louis, MO.

Sandy said, ‘I’ve gotta get this off. I’m not gonna die this young.’ I’ve lost about 140-145 pounds. With the gastric bypass, I can eat everything, it’s just in smaller amounts.