“…Renal vein thrombosis (RVT) is the second most common cause of thromboembolism in neonates after umbilical vein thrombosis with incidence of 10% of neonatal venous thromboembolism. [1] It is more common among male infants with occlusion being unilateral more than bilateral with most common causes including prematurity, central venous lines, diabetic mother, asphyxia, infections, dehydration, polycythaemia, reduced renal blood flow due to shock and hyperosmolality, congenital heart disease and congenital deficiency of anticoagulants. [1,2,3,4] Incidence of unilateral RVT due to sepsis is 6%.…”