Hematologic disease refers to any disorder or condition that affects the blood, blood cells, and blood-forming organs. There are several synonyms for hematologic disease, including blood disorder, blood disease, hematological disorder, hematological disease, and blood-related illness. Some specific types of hematologic diseases include leukemia, lymphoma, anemia, hemophilia, and thrombophilia. Symptoms of hematologic diseases can vary, but may include fatigue, infections, bleeding, and easy bruising. Treatment options often depend on the type and severity of the disease, but may include chemotherapy, radiation, blood transfusions, and bone marrow transplant. Regular check-ups and monitoring are important for those with hematologic diseases to manage symptoms and minimize complications.