Immunoglobulin is a serum preparation first used for the treatment of immunodeficiency in 1952. Currently, intravenous immunoglobulin therapy is widely used as a vaccine to treat many different autoimmune, infectious and idiopathic diseases.

Intravenous immunoglobulin is commonly used in the treatment of various autoimmune, infectious, and idiopathic diseases. Below are the basics of this therapy.