What is megaloblastic anemia?
A person with megaloblastic anemia has a reduced number of red blood cells in the bloodstream, usually due to a lack of folate or vitamin B12. Without folate or vitamin B12, the red blood cells do not mature, and cannot perform normal functions. The effect on blood cells results in lower than normal levels of red blood cells in the bloodstream.

What are the symptoms of megaloblastic anemia?
Early symptoms of megaloblastic anemia include fatigue, weakness, pale skin, headaches, and faintness upon standing. Later symptoms include palpitations, rapid pulse, fainting, and worsening shortness of breath with exertion.

How does the doctor treat megaloblastic anemia?
Treatment of megaloblastic anemia may include vitamin supplements and iron supplements.