2 doctors weighed in:

What's the difference between pernicious anemia and B12 anemia?

2 doctors weighed in
Dr. Ralph Morgan Lewis
Family Medicine
1 doctor agrees

In brief: See below

B-12 anemia is a deficiency in vitamin b-12 (cobalamin).
Pernicious anemia is a deficiency or lack in intrinsic factor (produced by cells in the stomach) which is a protein essential for absorption of vitamin B12 in the ileum (small intestine). Pernicious anemia requires replacement of intrinsic factor &/or b-12. B-12 anemia needs only b-12 supplementation.

In brief: See below

B-12 anemia is a deficiency in vitamin b-12 (cobalamin).
Pernicious anemia is a deficiency or lack in intrinsic factor (produced by cells in the stomach) which is a protein essential for absorption of vitamin B12 in the ileum (small intestine). Pernicious anemia requires replacement of intrinsic factor &/or b-12. B-12 anemia needs only b-12 supplementation.
Dr. Ralph Morgan Lewis
Dr. Ralph Morgan Lewis
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