Disadvantages of Gastric Bypass Procedure?

• Hospital stay is longer
• Operation is more complex and takes more time
• It causes long-term vitamin and mineral deficiencies and requires life-long vitamin/mineral supplementation.
• It is possible to reverse the operation, but it is difficult
• It may cause Dumping syndrome
• It requires  closer follow-up.
• It may cause marginal ulcers and intestinal obstruction.