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[13] Chloramphenicol has been shown to blunt reticulocyte response to cyanocobalamin, while ethanol, colchicine, and nitrous oxide interfere with cobalamin metabolism or utilization, each warranting clinician awareness when evaluating suboptimal treatment outcomes
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Blog How much vitamin B12 should I take daily
Also, patients should be warned about the danger of taking folic acid in place of Vitamin B12, because the former may prevent anemia but allow progression of subacute combined degeneration
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