Gallstones are solid formations, typically composed of cholesterol or bilirubin, that develop in the gallbladder. They can vary in size, from tiny grains to golf ball-sized. When these stones block the bile ducts, they trigger sudden upper-right abdominal pain, known as a gallbladder attack. While most gallstones are painless, causing no blockages (referred to as "silent" gallstones), untreated symptoms can lead to complications. There are two main types of gallstones: cholesterol stones, usually yellow-green and primarily composed of hardened cholesterol, and pigment stones, dark in color and made of bilirubin. In some cases, individuals may have a combination of both types.

Gallstones are solid formations, typically composed of cholesterol or bilirubin, that ... Show More