BACKGROUND Intravenous immunoglobulin (IVIG), an immunomodulatory therapy/agent has been increasingly used and its off label use is on the rise in critical care units. We planned to analyze the indications of IVIG in different disease conditions in pediatric intensive care unit (PICU). This is a single- center ambispective audit on IVIG use. AIM To study the usage pattern of IVIG among children admitted at a pediatric tertiary care unit. METHODS This was an ambispective study in which data was c