Liquid gold…or, more commonly known as immune globulin (IgG). A few weeks ago, I started my first treatment with subcutaneous immune globulin (SCIg). For those of you that aren’t familiar, let me give you a quick tutorial about IG: IgG: A common antibody found in human plasma. Plasma: a clear, straw-like colored liquid portion of your blood that carries cells and proteins throughout the body. SCIg: Purified immunoglobulin from healthy donors that is injected into the fatty ti