One of the most frequent questions we hear in clinic is: how soon do you feel less tired after a B12 injection
Insulated containers with ice packs can provide temporary refrigeration, but care must be taken to prevent freezing
They provide a reliable and effective solution when quick correction is necessary
[DOI] [PubMed] [Google Scholar] 109.Lieverse RJ, Jansen JB, van de Zwan A, et al
Cyanocobalamin is indicated for vitamin B12 deficiencies due to malabsorption which may be associated with the following conditions: Addisonian (pernicious) anemia Gastrointestinal pathology, dysfunction, or surgery, including gluten enteropathy or sprue, small bowel bacteria overgrowth, total or partial gastrectomy Fish tapeworm infestation Malignancy of pancreas or bowel Folic acid deficiency It may be possible to treat the underlying disease by surgical correction of anatomic lesions leading to small bowel bacterial overgrowth, expulsion of fish tapeworm, discontinuation of drugs leading to vitamin malabsorption (see Drug Interactions), use of a gluten-free diet in nontropical sprue, or administration of antibiotics in tropical sprue