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Doctor insights on: How Do You Tell The Difference Between B12 Deficiency And Iron Deficiency Anemia

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How do you tell the difference between B12 deficiency and iron deficiency anemia?

How do you tell the difference between B12 deficiency and iron deficiency anemia?

Blood work: Your physician can order commonly available tests for your levels of b12, iron, iron binding capacity and the carrier proteins for iron. All of these factors have some effect on blood cells. The direction of investigation can start with a CBC or complete blood count. Iron deficience eventually produces visably smaller blood cells while B12 deficience results in larger ones.. ...Read more

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Dr. Mohammed Parvez
237 doctors shared insights

Vitamin B12 Deficiency (Definition)

B12 deficiency can be due to a lack of absorption or intake from diet. Since B12 is primarily found in animal products (e.g., dairy, egg, meat, etc.) vegetarians are more at risk. A deficiency is suspected when rbcs increase in size (e.g., high MCV and/or MCH in cbc) and can cause megaloblastic anemia. Symptoms can include fatigue and neuropathy. It is best corrected with ...Read more


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How do I know if i'm experiencing B12 deficieny or iron deficiency anemia?

Assuming anemia...: Fe deficiency and B12 deficiency can be distinguished by the size of your red cells. Fe deficiency results in a microcytic hypo chromic anemia, reticulocytopenia and a wide red cell distribution width. B12 and folate (folic acid) deficiency (and pernicious anemia--intrinsic factor deficiency) give rise to a megaloblastic anemia. Red cell indices from a cbc. There are many causes of anemia besides these though. ...Read more

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My blood test confirmed my B12 level was low at 178, is that just a deficiency or considered pernicious anemia? I also have iron deficiency anemia.

My blood test confirmed my B12 level was low at 178, is that just a deficiency or considered pernicious anemia? I also have iron deficiency anemia.

Please do what: your doc asks you to do. Your B 12 is low. Sublingual tablets of B 12 that melt under the tongue are much better than swallowing B 12 because that has to go through the GI tract and you absorb much less. Peace and good health. ...Read more

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What is the difference between iron deficiency and iron deficiency anemia?

Matter of degree: When iron intake is inadequate for a prolonged period, iron storage in body is depleted. This is called iron deficient state. When this iron deficient state continues and iron store is further depleted, anemia develops, namely iron deficiency anemia. ...Read more

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Hi doctors, can you tell me what is iron deficiency anemia?

Hi doctors, can you tell me what is iron deficiency anemia?

Lack of iron: Generally speaking, anemia represents a decrease in the number of red blood cells and hemoglobin. Iron deficiency anemia is a type of anemia caused by insufficient iron available in the body due to various reasons including insufficient intake, impaired absorption, decreased utilization in the bone marrow, chronic blood loss (example: heavy menses). ...Read more

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Please tell me if iron deficiency anemia can cause cataracts? I am 23, have iron deficiency anemia, the cause of which is still not clear.

Please tell me if iron deficiency anemia can cause cataracts?
I am 23, have iron deficiency anemia, the cause of which is still not clear.

Rare: Usual cases of iron deficiency anemia are caused by blood loss from some source, whether stool, menses, inadequate intake, heel strike hemolysis, etc. Rarely is cataract formation caused by iron deficiency. The latter has been discovered in a genetic disorder hereditary hyperferritinemia-cataract syndrome (hhcs) presenting with iron deficiency anemia. You should see your md for an evaluation. ...Read more

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My doctor told me to watch exhaustion levels due to iron deficiency anemia. Lately I've been sleeping 10ish hours still tired. Do I Tell her?

My doctor told me to watch exhaustion levels due to iron deficiency anemia. Lately I've been sleeping 10ish hours still tired. Do I Tell her?

Yes, please: You should keep your doctor informed of all the symptoms and all the medications that your taking, including non-prescription and herbal medications. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, low fat milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more

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What is the difference between iron deficiency and B12 deficiency?

What is the difference between iron deficiency and B12 deficiency?

The MCV is the clue: When you get a CBC blood test, there is something called the mcv. This is the red blood cell size. If the cell size or MCV is low, this implies that something is missing in the red blood cell. Since hemoglobin in the rbcs is composed of iron bound to a protein (globulin), it is either iron (common) or globulin & the cell will be small. Low B12 will cause the MCV to be high- poor maturation. ...Read more

Dr. Ed Friedlander
278 doctors shared insights

Iron Deficiency Anemia (Definition)

It refers to a low number of red cells in the circulation resulting from a decrease in production in the bone marrow as a result of low amounts of iron available for this purpose. It is the most common type of anemia in the world, commonly due to dietary deficiency, multiple pregnancies, menstrual periods, chronic parasitic infestations, or other causes of chronic bleeding ...Read more


Dr. Steven Ginsberg
1,236 doctors shared insights

Anemia (Definition)

Anemia refers to any condition where there is a decrease in the red blood cells in the body. There are numerous causes of anemia but they can basically be broken down into 3 categories: decreased production of red blood cells increased destruction of red ...Read more