A 31-year-old male asked:
what causes b12 levels drop rapidly in may it was 100 after injections in june 600 again today its 140 how sudden drop m waiting for reports of intrinsic factor?
1 doctor answer
Dr. Ira Katz answered
23 years experience Endocrinology
Low stores: You likely have very B12 stores and right after the injections get high levels, but once the B12 equilibrates in your system it drops. You likely need to be "loaded" with enough B12 with enough B12 to fill stores put on maintenance. Also, multiple medications can affect B12.
Answered on Aug 30, 2015
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