What is IVIg?
Immunoglobulins are proteins produced by the immune system (the body’s own defence system) that help to fight infection. Intravenous immunoglobulin, or IVIg, can dampen down some inflammatory diseases that involve the immune system.
IVIg is a blood product that combines immunoglobulins from several donors. The donors will have been screened to make sure that they have no serious diseases that can be passed on, for example hepatitis B, hepatitis C and HIV.
It can be used in the treatment of several different conditions including polymyositis and dermatomyositis, and is sometimes used in people with lupus, adult-onset Still's disease, vasculitis and antiphospholipid syndrome (APS).
You may not be prescribed IVIg if you've had a previous reaction to immunoglobulin. Before you're given IVIg, your doctor will check the levels of immunoglobulin in your blood. If one particular type (called IgA) is very low, then you may not be given IVIg.