Ursodeoxycholic Acid 300mg Tablet is used to dissolve certain gallstones and prevent them from forming. It is also used to treat a type of liver disease called primary biliary cirrhosis. It helps break down the cholesterol that has converted into stones in your gallbladder thereby dissolving the stones. Ursodeoxycholic Acid 300mg Tablet is a hepatoprotective medication. It works by reducing the amount of cholesterol in the blood and helps dissolve gallbladder stones that are composed mainly of cholesterol. It also improves liver enzymes, protects liver cells from injury caused due to toxic bile acids, and improves liver function. The dose will depend on what you are being treated for and your body weight. Take it regularly to get maximum benefit and keep taking it for as long as prescribed (several months or longer). Keep taking it even if your symptoms disappear. This medicine's most common side effects are abdominal pain, diarrhea, hair loss, itching, nausea, and rash. Not everyone gets these side effects. If you are worried about them, or they do not go away, let your doctor know. you may need ultrasound scans, or frequent blood tests to check your liver function.