A patient with Crohn's disease has a megaloblastic anemia.The nurse will anticipate teaching the patient about the ongoing need for which of the following?

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Megaloblastic anemia in patients with Crohn's disease is often due to malabsorption of vitamin B12. Therefore, the patient will need ongoing cobalamin injections to maintain adequate levels of this important nutrient. Oral iron supplements (A) may not be effective in treating megaloblastic anemia, and iron dextran injections (C) are used to treat iron-deficiency anemia, not megaloblastic anemia. Regular blood transfusions (D) may be necessary in severe cases of anemia, but they do not address the underlying issue of vitamin B12 malabsorption in Crohn's disease.

A Patient with Crohn's Disease Has a Megaloblastic Anemia