What are the risks of Gastric Bypass?

As with any surgery there are potential risks involved. Most patients do not have complications after Gastric Bypass surgery; however complications can occur and depend on the patient’s health status. Complications can be medical (general) or specific to Gastric Bypass.
Specific complications for Gastric Bypass surgery include:

  • DVT (blood clot in the deep leg veins)
  • Damage to adjacent organs
  • Leakage of digestive contents from the staple line can lead to serious infection
  • Stricture (narrowing) of the opening between the stomach and small intestine
  • Dumping Syndrome: Vomiting, reflux, and diarrhoea caused by stomach contents moving too rapidly through the small intestine
  • Abdominal hernias
  • Gallstones
  • Dehydration
  • Bleeding ulcers of the stomach
  • Intolerance to some foods