Apr 20, 2000
What are the signs (symptoms) of a vitamin B-12 deficiency? Thank you
Response from Dr. Dieterich
They are very unusual. It takes about 5 years of consuming no B12 to become B12 deficient. Typically weakness in the legs and the feet are the most common signs, although anemia (called pernicious anemia and characterized by large red cells) is also found. The worry in HIV is that survival may be shortened in people with low B 12 levels based on 10 year old data. Douglas T. Dieterich, M.D.
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