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A 24-year-old female asked:

How can one tell the difference between low b12 and pernicious anaemia? mildly low ferritin, b12, folate (folic acid) and red blood cells. hair loss too.

1 doctor answer1 doctor weighed in
Dr. Ed Friedlander
Pathology 45 years experience
This is serious: Pernicious anemia is one cause of a low B12 but your situation is complicated. If you are a non-supplementing vegetarian, please reconsider. You will need a proper set of labs and an inquiry as to the cause of each deficiency. Insist on full explanations
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Last updated Jul 30, 2016

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