Gallstones are hardened deposits of bile that can form in your gallbladder. Bile is a digestive fluid produced in your liver and stored in your gallbladder. When you eat, your gallbladder contracts and empties bile into your small intestine (duodenum).People who experience symptoms from their gallstones usually require gallbladder removal surgery. Gallstones that don't cause any signs and symptoms typically don't need treatment.
Factors that may increase your risk of gallstones include: