Udiliv 150 Tablet is used to treat gallstones, primary biliary cholangitis (an autoimmune disease of the liver), excess cholesterol in bile and children above 6 years with biliary and liver diseases caused by cystic fibrosis. It contains Ursodeoxycholic acid, which helps decrease the production of cholesterol in the blood, thereby dissolving gall bladder stones composed mainly of cholesterol. It has a protective effect on the liver cells. Thus, it protects from injury caused by toxic bile acids and improves liver function. In some cases, you may experience certain common side effects such as abdominal discomfort, abdominal pain, diarrhoea, nausea, rash, dizziness, indigestion and weakness. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.