Emil Buhl, Bettina Borre Buhl, Linda Skibsted Kornerup, Ebba Nexø
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No international treatment standard for B12 deficiency exists. Current practice predominantly relies on more than 50 years old data. Consequently, this review investigates that we still recommend five injections with 1 mg B12 over 10 days followed by maintenance therapy with 1 mg oral B12 daily or injections, of which the interval is guided by symptom relief rather than normalization of biomarkers. Clinical studies are highly warranted and should include formulation and administration of B12. Subcutaneous self-injection may prove cost-effective and benefit an individualized treatment strategy.
期刊介绍：
The Ulster Medical Journal is an international general medical journal with contributions on all areas of medical and surgical specialties relevant to a general medical readership. It retains a focus on material relevant to the health of the Northern Ireland population. The Honorary Editor would welcome offers of papers for publication. Prospective authors are invited to read the notice to contributors.
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