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What causes vitamin-deficiency anemia?

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Vitamin-deficiency anemia may occur when you don't enough vitamin B12 and folate in your system. These two vitamins are needed to make red blood cells. Conditions leading to anemia caused by vitamin deficiency include:

During early pregnancy, sufficient folic acid can help prevent the fetus from developing neural tube defects such as spina bifida.

  • Megaloblastic anemia: Vitamin B12 or folate or both are deficient
  • Pernicious anemia: Poor vitamin B12 absorption
  • Dietary deficiency: Eating little or no meat may cause a lack of vitamin B12, while overcooking or eating too few vegetables may cause a folate deficiency.
  • Other causes of vitamin deficiency: pregnancy, certain medications, alcohol abuse, intestinal diseases such as tropical sprue and celiac disease

From: Understanding Anemia -- the Basics WebMD Medical Reference

SOURCES: American Academy of Family Physicians. The American Medical Athletic Association. Albemarle Pulmonary Medical Associates, PA. Gary W. Tamkin, MD, Attending Physician, Highland General Hospital -- Alameda County Medical Center, Oakland. Cornell University Department of Animal Science.




CDC.

Reviewed by Louise Chang on June 14, 2018

SOURCES: American Academy of Family Physicians. The American Medical Athletic Association. Albemarle Pulmonary Medical Associates, PA. Gary W. Tamkin, MD, Attending Physician, Highland General Hospital -- Alameda County Medical Center, Oakland. Cornell University Department of Animal Science.




CDC.

Reviewed by Louise Chang on June 14, 2018

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What types of anemia result from bone marrow or stem cell problems?

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