Intravenous iron therapy can sometimes be useful, and when hemoglobin levels fall below 7 grams per deciliter, transfusions with packed RBCs, or erythropoietic agents like epoetin alfa or darbepoetin alfa may be given to improve symptoms.
静脉注射铁剂有时也有用，当血红蛋白水平降至7g/dL以下时，可以输注红细胞或用红细胞生成剂，如阿法依泊汀（促红细胞生成素）、阿法达贝泊汀来改善症状。