Many blood diseases and disorders are caused by genes. Other causes include other diseases, side effects of medicines, and a lack of certain nutrients in your diet. Common blood disorders include anemia and bleeding disorders such as hemophilia.Click to see full answer. Accordingly, what are common blood diseases?Common blood disorders include anemia, bleeding disorders such as hemophilia, blood clots, and blood cancers such as leukemia, lymphoma, and myeloma.Beside above, how do you treat blood disease? Bleeding disorders like hemophilia may call for blood-component therapies, such as platelet transfusions or clotting factors. Diseases that involve clotting might require drugs that reduce the risk of clots forming. Some conditions require a bone marrow transplant to replace your marrow stem cells with healthy ones. Hereof, what are the symptoms of blood diseases? Symptoms of Blood Disorders Decreased red blood cells and hemoglobin can cause symptoms of anemia, such as fatigue, weakness, and shortness of breath. Decreased white blood cells or immune system proteins can cause recurrent fever and infections. Decreased platelets or blood clotting factors can cause abnormal bleeding and bruising. What is the first sign of blood cancer?Some common blood cancer symptoms include: Fever, chills. Persistent fatigue, weakness. Loss of appetite, nausea.