Recently found out, that i have an immune disease. they want to do rplacement via subq gammaglobulin...anyone tell me how it works & side effects?

CVI?: This is most likely common variable immunodeficiency or one of its close relatives. It's quite common. Get two physicians' opinions. If they agree, you owe it to yourself to accept this gift. Cvi patients have difficulty making one class or another of antibodies, but thankfully other people's will work fine for you.

Which immune disease: This depends on the disease that is being treated. If low have low gg then it replaces the level to help defend against infection. In many other diseases it may effect the inflammatory cells like lymphpcytes and monocytes and substances in the blood that may be causing the immune disease. Diseases that have been treated include neurological, platelet, and inflammatory muscle diseases.