You are in Medical Library . Definition A blood disorder characterized by red blood cells that are larger than normal, low white blood count , and low platelet count resulting from a deficiency of folic acid or vitamin B-12 . Causes, Incidence and Risk Factors Deficiencies of vitamin B-12 and folic acid are the most common causes of megaloblastic anemia.
Risk factors relate to the causes.
Signs And Tests Examination of neurological signs shows abnormal reflexes, decreased position sense, and decreased vibration sense. The objective of treatment is to determine the cause of the anemia , and the treatment depends upon the cause. Anemias related to vitamin deficiencies are discussed separately. The outcome is expected to be good with treatment. Complications Complications vary with the underlying cause Calling Your Health Care Provider Call for an appointment with your health care provider if symptoms develop.