Calculate intravenous immunoglobulin dosing by indication.
IVIG dosing varies by indication. Immunodeficiency replacement is typically 0.4 g/kg monthly. ITP uses 1 g/kg for 1–2 days. Kawasaki disease requires a single 2 g/kg infusion with aspirin. Guillain-Barré syndrome uses 0.4 g/kg/day for 5 days. Infusion rates start slow and are titrated based on tolerance.