A member asked:

Are all anemias caused by a lack of iron?

3 doctors weighed in across 2 answers
Dr. Helmy Guirgis answered

Specializes in Hematology and Oncology

Not at all: There are 3 reasons for anemia 1- loss of blood (which contains iron} usually through the intestine in the stools. 2- bone marrow failure to make blood components. 3- hemolysis of blood i.E blood turning against red blood cells either by a drug or infection by virus, bacteria or...There are massive books on anemia. Anemia is a major component of blood disease and cancer....Thank you for asking.

Answered 7/20/2012

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Vitamin and iron def: Anemia could be caused by deficiency of iron, vitamin B12 and folate (folic acid) as well as copper deficiency.

Answered 2/9/2017

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