Definition
Megaloblastic refers to abnormally large red blood cells (megaloblasts). This usually happens due to deficiencies in vitamin B12 or folate, which are needed for DNA synthesis. These large cells don't function properly, leading to a type of anemia. It's like trying to build a house with oversized bricksβthe structure is unstable. Megaloblastic anemia can cause fatigue, weakness, and other health problems.