A person who has the type of anemia with B12 deficiency and low B12 levels (called "megaloblastic anemia" with unusual white ...

In people with PA and no concerning features, treatment with high-dose oral B12 or injection B12 are both reasonable options.

Dear M.P.: Pernicious anemia (PA) is an autoimmune disease where the body destroys the cells in the stomach that make ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the intrinsic factor antibodies were ...

I am 71 years old and was diagnosed with pernicious anemia in October 2024. My B12 and folate levels were low. My antiparietal antibodies were abnormal, but the ...

Megaloblastic anemia, classification of anemia marked by production and peripheral proliferation of large, immature, dysfunctional RBCs; see in severe pernicious anemia or folic acid deficiency ...

She adds that certain populations are more likely to be deficient—including vegans, because B12 is bound to animal protein in food; folks with an autoimmune disorder called pernicious anemia ...