Definition of Intravenous immunoglobulin

Reviewed on 6/3/2021

Intravenous immunoglobulin: A sterile solution of concentrated antibodies extracted from healthy people that is administered directly into a vein. Abbreviated IVIG. IVIG is used to treat disorders of the immune system or to boost the immune response to serious illness. Also known as intravenous gamma globulin (IGG).


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