Most gallstones do not require surgery. Roughly 80% of people with gallstones never develop symptoms, and for those patients, guidelines from both the National Institutes of Health and the Society of American Gastrointestinal and Endoscopic Surgeons recommend against surgical removal. The calculus changes when gallstones start causing pain or complications, at which point surgery becomes the standard treatment.
When Gallstones Can Be Left Alone
Gallstones that sit quietly in the gallbladder without causing symptoms are called “silent” or incidental stones, often discovered during imaging for an unrelated issue. For these patients, the risk of developing a complication is about 1% per year. That low annual rate is the main reason surgery isn’t recommended for everyone who has stones. Most people will carry them for years, even decades, without trouble.
Watchful waiting is the standard approach. You don’t need treatment, follow-up imaging, or dietary restrictions simply because stones are present. The math works in your favor: the small cumulative risk of a future problem is generally lower than the risk and cost of a preventive operation you may never have needed.
When Surgery Is Recommended
Surgery becomes the clear choice once gallstones cause symptoms or complications. The most common symptom is biliary colic, a steady, intense pain in the upper right abdomen that typically starts after eating and can last anywhere from 30 minutes to several hours. Once you’ve had one episode, the risk of further episodes and serious complications rises to about 2% per year, and the trend tends to accelerate.
Specific situations where surgery is recommended include:
- Repeated biliary colic: Recurrent pain episodes that interfere with daily life.
- Acute cholecystitis: Inflammation of the gallbladder, usually from a stone blocking the drainage duct. This causes prolonged pain, fever, and tenderness.
- Gallstone pancreatitis: A stone that migrates and blocks the pancreatic duct, triggering inflammation of the pancreas. After an episode resolves, surgery is typically recommended within 14 days to prevent recurrence.
- Stones in the bile duct: Even without symptoms, stones lodged in the common bile duct carry a complication risk as high as 50%, making removal important.
Exceptions for Asymptomatic Patients
A small group of people with silent gallstones should still consider preventive surgery because their risk of serious complications, particularly gallbladder cancer, is elevated. Stones 3 cm or larger carry roughly nine times the cancer risk compared to stones under 1 cm. Research has found that large stones are present in 40% of gallbladder cancer cases but only 12% of the general gallstone population of similar age.
Other situations where preventive removal may be worthwhile, even without symptoms:
- Sickle cell disease or hereditary spherocytosis
- Immunosuppressive therapy or organ transplant
- Porcelain gallbladder (calcium deposits in the gallbladder wall)
- Gallbladder polyps larger than 1 cm
- Native North or South American heritage, which carries a higher baseline gallbladder cancer risk
- Young age, because the cumulative lifetime risk of complications is higher
- Living far from a hospital, where emergency care for a sudden complication wouldn’t be readily available
What the Surgery Looks Like
Gallbladder removal, called cholecystectomy, is one of the most commonly performed surgeries worldwide. Between 85% and 95% of these procedures are done laparoscopically, through a few small incisions using a camera and thin instruments. Most people go home the same day or after one night in the hospital, return to light activity within about a week, and are back at work in one to two weeks.
Open surgery, which uses a single larger incision, is reserved for cases involving severe inflammation, scarring from prior surgeries, or complications that make the laparoscopic approach unsafe. Recovery is longer: two to three days in the hospital, and four to six weeks before you’re fully back to normal.
Life After Gallbladder Removal
Your body can digest food without a gallbladder. Instead of storing bile and releasing it in concentrated bursts, the liver drips bile continuously into the small intestine. Most people adjust without noticing a difference, but about 10 to 15% develop ongoing digestive symptoms sometimes grouped under the label postcholecystectomy syndrome. Common complaints include diarrhea, bloating, fatty food intolerance, nausea, and intermittent abdominal pain. These symptoms are often manageable with dietary adjustments and tend to improve over time, though for some people they persist.
Non-Surgical Alternatives
For people who want to avoid surgery or who aren’t good candidates for it, a bile acid medication can sometimes dissolve gallstones. It works best on small cholesterol stones. In one study, complete dissolution occurred in 60% of treated patients, with an average treatment time of about four months. Stones smaller than 5 mm responded best. The medication is ineffective against pigment stones (which are made of bilirubin rather than cholesterol) and large stones. Even when dissolution succeeds, stones frequently recur once the medication is stopped.
Shock wave lithotripsy, which uses focused sound waves to break stones into smaller pieces, was once explored as an alternative but has largely fallen out of routine use. It applies to only 15 to 30% of symptomatic patients, requires supplemental medication to clear the fragments, and carries a high recurrence rate. It’s now mainly reserved for stones stuck in the bile duct when other removal methods fail.
Neither alternative offers the permanence of surgery, which is why cholecystectomy remains the definitive treatment when gallstones are causing problems.