Also called GVHD, it is a common complication of bone marrow bone marrow: The soft, spongy tissue inside most bones. Blood cells are formed in the bone marrow. /stem cell transplantation. It is caused when the donor's immune cells, now in the patient, begin to see the the patient's body as foreign and mount an immune response. GVHD most commonly effects the recipient's skin, intestines, or liver. Severity can range from mild to very severe. In some cases, GVHD can be prevented or treated with immunosuppressive drug therapy immunosuppressive drug therapy: (i-myoo-no-suh-PREH-siv) Drugs that lower the body's immune response and allow the bone marrow stem cells to grow and make new blood cells. ATG (antithymocyte globulin) or ALG (antilymphocyte globulin) with cyclosporine are used to treat bone marrow failure in aplastic anemia. Immunosuppressive… .
