👉 Cholelithiasis is a condition where a person's gallbladder becomes inflamed and causes pain, nausea, and vomiting. This can happen due to various factors such as gallstones or bile reflux. Cholelithiasis can be caused by a variety of conditions including gallstones, cholecystitis (inflammation of the gallbladder), and liver disease. Treatment for cholelithiasis may include surgery to remove the gallbladder.