is immune globulin a blood product?
Intravenous immunoglobulin (IVIG) is a blood product prepared from the serum of between 1000 and 15 000 donors per batch. It is the treatment of choice for patients with antibody deficiencies. For this indication, IVIG is used at a 'replacement dose' of 200–400 mg/kg body weight, given approximately 3-weekly.