There are many reasons that stools could appear black or tarry with a foul smell, including eating certain foods or taking iron supplements. However, black stools can also be a result of bleeding, and the darker color indicates that the blood could be coming from a point in the upper gastrointestinal tract. When stools are black or tarry due to blood being present, it is called melena..
Because some conditions coincide with the presence of the disease, the following may be signs of leukemia: Anemia: A low red blood cell count. Red blood cells carry oxygen around the body. This condition may contribute to weakness, fatigue or shortness of breath.
1 Leukopenia-a decrease in the total number of white blood cells (WBC), which may lead to low white blood cell count. 2  Neutropenia-a decrease in the number of neutrophils, one type of white blood cell, which may lead to low white blood cell count.lood cells; red blood cells, white blood cells and platelets are made by the bone marrow. These blood cells divide quickly. Chemotherapy may lead to low blood counts, causing the possibility of a variety of symptoms. The symptoms depend on the type of low blood cell count.