Congenital Dyserythropoietic Anemia (CDA) is a rare blood disorder affecting red blood cell production. This condition leads to anemia, causing fatigue, weakness, and pale skin. CDA is inherited, meaning it's passed down through families. There are three main types: CDA I, CDA II, and CDA III, each with unique characteristics and severity. Symptoms can vary widely, from mild to severe, and may include jaundice, enlarged spleen, and gallstones. Diagnosis often involves blood tests, bone marrow examination, and genetic testing. Treatment options depend on the type and severity but may include blood transfusions, medications, or even bone marrow transplants. Understanding CDA is crucial for managing symptoms and improving quality of life.