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Doctor insights on: B12 Deficiency Without Anemia

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Can there be a link between anemia and B12 deficiency?

Can there be a link between anemia and B12 deficiency?

Yes: Deficiency of B12 causes megaloblastic anemia. If you are deficient in b12, please discuss replacement by injection, with your doctor. B12 deficiency can also affect the nerves. ...Read more

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Dr. Mohammed Parvez
242 doctors shared insights

Vitamin B12 Deficiency (Definition)

Occurs when there is a lack of absorption or intake from diet. Symptoms can ...Read more


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B12 deficiency, B12 shots regularly, but B12 continues to drop dramatically between each shot.. Underlying cause? (no anemia or other issues)

B12 deficiency, B12 shots regularly, but B12 continues to drop dramatically between each shot.. Underlying cause? (no anemia or other issues)

Likely Many Misleads: B12 deficiency takes ~2 decades (eventually pernicious anemia) to be obvious. Like all vitamins, only a helper molecule for larger/more-complex protein enzymes; very widely present in nearly all foods (humans have have lost typically a single gene needed to make the vitamin). If being injected, likely not B12 or dose so low as to be irrelevant; check B12 before ; a few days after injection. ...Read more

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Is anemia from B12 deficiency a life-threatening condition?

Is anemia from B12 deficiency a life-threatening condition?

Not if treated: It takes a very long time for you to get near death from B12 deficiency. The treatment is so simple and effective, why chance it? ...Read more

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Can B12 deficiency lead to anemia and memory loss?

Can B12 deficiency lead to anemia and memory loss?

Yes.: Pernicious anemia is the most common reason for unexpected B12 deficiency. Lack of B12 can cause both anemia and neurological damage. The latter includes numbness, gait problems, and dementia. The neurological findings can occur before there is any anemia, or vice versa. The anemia will reverse with treatment. The neurologic problems may not correct completely with B12 treatment. ...Read more

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I was wondering is B12 deficiency the same as pernicious anemia?

I was wondering is B12 deficiency the same as pernicious anemia?

Related: Technically, pernicious anemia (pa) is due to low B12 levels caused by changes in the stomach resulting in decreased ability to absorb the B12 from a lack of something called "intrinsic factor." there are other causes of B12 deficiency that technically are not pa. Today, tests can find B12 deficiency before someone has symptomatic anemia so deficiency by itself is not always pa. ...Read more

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Can tea be bad for you if you have a B12 deficiency or penicious anemia? Or not help your blood count?

You're okay: Tea contains tannins that interfere some with iron absorption in folks who are iron deficient. Too much can make you sick, as with many other things. It's not going to impact an anemia caused by B12 deficiency from any cause. ...Read more

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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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Can pernicious anemia or severe vitamin B12 deficiency cause chronic non-specific duodenitis??

Can pernicious anemia or severe vitamin B12 deficiency cause chronic non-specific duodenitis??

Not clear: No clear evidence for the causal-effect relationship between the two. PA is an autoimmue-mediated destruction of parietal cells in stomach, resuling in impairmnent of B12 absorption. Certainly it is possible that pernicious anemia may co-exist or exacerbate duodenitis via immune process or loss of balance in duodenal fluid, or anemia. But the causal-effect relationship is not well established. ...Read more

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Please what's the difference between pernicious anemia and vitamin B12 deficiency.my iron levels are perfect.I'm getting injections for vitamin b12.

Please what's the difference between pernicious anemia and vitamin B12 deficiency.my iron levels are perfect.I'm getting injections for vitamin b12.

Intrinsic factor: Vitamin B12 is present in meat and animal protein foods. Absorption of B12 occurs in the intestine (ileum) and requires intrinsic factor (IF), made by stomach cells. In pernicious anemia, IF production is deficient, and results in anemia, a reduction in hemoglobin/hematocrit. One can be vitamin B12 deficient without becoming anemic and/or without having deficient IF. Best wishes:) ...Read more

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My mom was diagnosed a few years ago with vitamin B12 deficiency/anemia. Could this be a genetic thing?

My mom was diagnosed a few years ago with vitamin B12 deficiency/anemia. Could this be a genetic thing?

Not exactly.: Pernicious anemia as cause of B12 deficiency is an autoimmune disease. The tendency to develop autoimmune disease is genetic, but not specific for a particular condition. It is not like eye color where you can predict with certainty what will happen. Autoimmune disease is part genetic, but something else has to happen to trigger it. ...Read more

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I have vitamin B12 Deficiency not pernicious anemia. My doctor told me. My reading was 160. What is that number is it 160mcg.

I  have vitamin B12 Deficiency not pernicious anemia. My doctor told me. My reading was 160. What is that number is it 160mcg.

It's on your report: the lab report should have a reference value. sometimes it is reported as nanograms per milliliter (ng/mL), or as picograms per milliliter (pg/mL) 1 picogram is equal to 0.001 nanograms, making the nanogram a larger unit. when you take b12, the dose is usually in micrograms (mcg) 1 mcg is equal to 1000 nanograms i had to look up all that, by the way ...Read more

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Is there a specific blood test to diagnose pernicious anemia? I have a family history. My doctor told me I have borderline B12 deficiency.

Is there a specific blood test to diagnose pernicious anemia?  I have a family history. My doctor told me I have borderline B12 deficiency.

Pernicious anemia: Yes your doctor can run a battery of tests including a cbc, peripheral blood smear, a serum b 12 level, and a reticulocyte count. These usually will help to diagnose the condition. Sometimes methylmalonic acid and homocysteine levels will be drawn to help with the diagnosis. ...Read more

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Why we treat megaloblastic anemia caused by vitamin B12 deficiency with folates (folic acid)?

Why we treat megaloblastic anemia caused by vitamin B12 deficiency with folates (folic acid)?

We don't: Megaloblastic anemia caused by B12 deficiency is treated with b12. Folate (folic acid) deficiency also causes meg. Anemia. Some with B12 deficiency are also deficient in b12, but if one has low B12 ; isn't deficient in folate (folic acid) there's no need to supplement with it. But it won't hurt to take folate (folic acid);if you're among the 1/3 of people with problems converting Folic Acid to it's active form you should take l-5-mthf. ...Read more

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I'm anemic and have B12 deficiency,when I wake from nap I feel really fatigued and have low mood until I've eaten something,is this a side effect of anemia?

I'm anemic and have B12 deficiency,when I wake from nap I feel really fatigued and have low mood until I've eaten something,is this a side effect of anemia?

B12 deficiency: Vitamin B12 deficiency can cause you to feel weak and tired. It can cause nerve damage and can affect memory and thinking. Fatigue and low mood relieved by eating suggests low blood sugar. If problems become more serious seek medical evaluation. Best regards for good health. ...Read more

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My mother has anemia. We eat the exact same food and I don't take vitamin supplements. So could I have B12 deficiency as well?

My mother has anemia. We eat the exact same food and I don't take vitamin supplements. So could I have B12 deficiency as well?

Unlikely: B12 deficiency has specific causes. Two of them are GI tract disease related. You likely dont have these problems. Ask what the specific cause of your mother's B12 deficiency is known to be. ...Read more

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I have plus family members. Experiencing anemia, b12 deficiency, high blood pressure and lower abdomen with no dignoses could this be thyriods?

 I have plus family members. Experiencing anemia, b12 deficiency, high blood pressure and lower abdomen with no dignoses could this be  thyriods?

You will need to: clarify your question B4 we can give u a meaningful answer. What do you mean by "plus family members?" While "Lower abdomen" isn't a diagnosis, .Anemia, B12 deficiency & high blood pressure ARE diagnoses. What are you asking re: thyroid? Are you asking if the conditions are interrelated? Please resubmit your question with clarification. Thanks. ...Read more

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Hi I have vitamin B12 Deficiency. Doc didn't say pernicious anemia. Everyone said I'm going to get cancers.god im so scared. I've started injections?

B12 def: Are you vegetarian or vegan, they have B12 issues at times because B12 sources are animal. May also be ileitis or intestinal issues where B12 is absorbed ( if not pernicious anemia) or dietary/ age. If you are on injections and you level are adequate ( I like above 400) I would not be concerned ,don't worry ...Read more

Dr. Randy Baker
1,000 doctors shared insights

Vitamin B12 (Definition)

Vitamin B12 is a vitamin which is a kind of nutritional agent ...Read more


Dr. Steven Ginsberg
1,276 doctors shared insights

Anemia (Definition)

Any condition where there is a decrease in the red blood ...Read more