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Bariatric surgery and acetaminophen risk
San Francisco Chronicle

People who have had certain types of bariatric, or weight-loss, surgery may be at increased risk of acetaminophen poisoning and, in turn, liver failure, according to a small study at San Francisco’s California Pacific Medical Center. Researchers found that among 54 patients who had suffered acetaminophen-induced liver failure over a three-year period, 17 percent had had weight-loss surgery. That’s a surprisingly high percentage, considering that less than 1 percent of the general population has had the surgery, said Dr. Timothy Davern, a liver disease and gastroenterology expert at CPMC.