Yes, surgical weight loss is permanent.
Although it is technically possible to reverse the operation, it is an extremely difficult and potentially dangerous procedure. It would most likely require an open operation with a large incision.
Although it has been done before, it is not routinely done by many surgeons in the U.S. Your weight would come back after a reversal of the operation.  If, for any reason at all, you feel that you could not live with this permanent change and the required lifestyle modifications, do not have this operation. 

Weight loss surgery is not for everyone who is obese. We will work closely with you to determine if it's right for you.