A risk ratio of 2.19 sounds like a reason not to buy something. It is four people in a thousand. Both statements describe the same result.
What was pooled
Five databases were searched for placebo-controlled randomized trials in type 2 diabetes, overweight or obesity, and fatty liver disease. Fifty-five trials qualified, covering 106,395 participants. [1] The review looked for a specific list of serious gastrointestinal and biliary events rather than for nausea, which is a different and much commoner problem — and one sellers already charge differently for.
Two things went up
Gallstones. The risk ratio was 1.46, 95% CI 1.09 to 1.97, which the authors translate as about 2 extra cases per 1,000 people treated. Reflux. The risk ratio was 2.19, 95% CI 1.48 to 3.25, or about 4 extra cases per 1,000.
Read either way round, the facts do not change. A 46% increase and 2 people in 1,000 are the same finding. Which number you meet first usually decides how you feel about it.
What did not go up
Everything else on the list. Pancreatitis. Bowel obstruction. Paralytic ileus. Perforation. Gastrointestinal bleeding. Ischemia. Ulceration. Gastritis. Esophagitis. Cholecystitis, cholangitis and cholestasis. Gastroparesis. Across 55 trials the review found little or no effect on any of them.
That is the more useful half and it is the half nobody repeats. Several of those are the exact things people have read alarming stories about. A pooled null across a hundred thousand randomized participants is about as good as evidence of absence gets.
Why this page is on a price site
Because a gallstone is a bill. Reflux usually means a cheap daily tablet. Symptomatic gallstones can mean imaging, a specialist, and sometimes surgery to remove the gallbladder. None of that is in the monthly figure, and the monthly figure is already not the bill.
Two in a thousand is a small number and it is not zero. Priced across a year of buyers, somebody pays it. The sensible response is not to avoid the drug. It is to know that the published price is a floor and to keep the rest of the arithmetic in view.
What to ask before ordering
One question does most of the work. If something goes wrong, who do I call, and how fast? A gallstone attack is an emergency room visit, not a support ticket. Most sellers here publish very little about clinical access, and none of it appears beside the price.