Treatment

In secondary aplastic anemia, removing the cause is critical. In some cases it can lead to recovery.

Mild Aplastic Anemia
Mild cases of aplastic anemia may be treated with supportive care, or may not need treatment. Blood and platelet transfusions will help correct the abnormal blood counts and relieve some symptoms in moderate cases.

Mild Aplastic Anemia
Severe aplastic anemia, which causes a very low blood-cell count, is a life-threatening condition. Younger patients with a severe case of the disease will need a bone marrow transplant. Older patients, or those who do not have a matched bone marrow donor, can be treated with medications that suppress the immune system, such as antithymocyte globulin (ATG), tacrolimus, or cyclosporine.

ATG - Antithymocyte Globulin
ATG consists of antibodies made in horses or rabbits against a type of white blood cell in humans called T cells. It is used to suppress the body's immune system, allowing the bone marrow to start generating blood cells again.

Cyclosporine, Cytoxan
Other medications to suppress the immune system, such as cyclosporine, tacrolimus, and cyclophosphamide (Cytoxan) also may be used. Corticosteroids and androgens have been used as well.

http://healthtools.aarp.org/adamcontent/secondary-aplastic-anemia