Aplastic anemia is a rare condition in which the bone marrow, responsible for producing blood cells, fails to produce enough red and white blood cells and platelets. This can lead to fatigue, weakness, increased risk of infections, and easy bruising or bleeding. The cause of aplastic anemia may be genetic, viral infection, exposure to certain chemicals or radiation therapy for cancer treatment. Treatment options include blood transfusions, immunosuppressive medications, bone marrow transplantation and supportive care.