Histamine can produce symptoms of sneezing, itching, watery eyes, and runny nose. Levocetirizine is used to treat symptoms of year-round (perennial) allergies in adults and children who are at least 6 months old. It is also used to treat symptoms of seasonal allergies in adults and children who are at least 2 years old.
Intravenous Immunoglobulin (IVIG) is a plasma product used in the treatment of certain conditions related to the immune system.VIG therapy is done by administering medication directly into the bloodstream to help treat autoimmune diseases, immune deficiencies, and certain kinds of infections.
Intravenous immune globulin (IVIG) is a product made up of antibodies that can be given intravenously (through a vein). Antibodies are proteins that your body makes to help you fight infections. Each antibody made by your body is slightly different, because it fits like a lock and key to every foreign substance (such as a virus) that gets into your body.