Complications

Infection during surgery
Lap band surgery: requires hospitalization with some scarring and pain; vomiting as a result of overeating; band may slip out of place
Gastric bypass surgery: stomach stretches back to original size, diarrhea, dumping from food moving too fast, faintness, gallstones, leaking from stomach into body, nausea, staple loosening, unusual sweating, weakness
Sleeve gastrectomy: leakage around staples, internal scar tissue blocking food flow, dehydration, gallbladder stones
Surgery requires a lifelong commitment to regular doctor visits, adherence to dietary restrictions, and oftentimes medication.
Multiple surgeries may be required.

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