Bariatric surgery is considered a successful modality for long-term maintaining weight loss, Rapid weight loss following these procedures is associated with an increased incidence of postoperative Cholelithiasis (CL). Postoperative use of ursodeoxycholic acid (UDCA) was advocated to prevent gallstone formation during the postoperative period and to avoid the unnecessary morbidities that occur with routine prophylactic cholecystectomy performed in bariatric surgery patients even in absence of gallstones