family history of gall stones and congenital liver diseases like Gilbert syndrome, infection to gall bladder, these are the following which cause gall stones in children Biliary dyskinesia Chronic hemolytic disease (sickle cell anemia, spherocytosis, thalassemia, Gilbert disease) Ileal resection or disease Cystic fibrosis Cirrhosis Cholestasis Crohn disease Obesity Insulin resistance Prolonged parenteral nutrition Prematurity with complicated medical or surgical course Prolonged fasting or rapid weight reduction Treatment of childhood cancer Abdominal surgery Sepsis Genetic (ABCB4, ABCG5/G8) progressive familial intrahepatic cholestasis antibiotics.. mainly cephalosporin