A patient with Crohn's disease may develop anemia. The anemia is often multifactorial and may take skill to correct.

Patient selection: Crohn's disease


Impact of anemia:

(1) worse quality of life

(2) easy fatiguability and impaired exercise capacity

(3) impaired cognition


Differential diagnosis of anemia in Crohn's disease:

(1) iron deficiency

(2) anemia of chronic disease

(3) anemia of malnutrition (protein, vitamins, micronutrients)

(4) erythropoietin deficiency

(5) autoimmune hemolytic anemia

(6) aplastic anemia

(7) adverse drug effect

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