b12 injection im or subq Injections at Home - Safety Guide for Self-Administration B-12 (Methylcobalamin) Therapy | MedClub

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Advantages of oral form over IM injection: Less nursing time on injections Less complexity of care Less discomfort/pain Less bleeding in patients who take anticoagulants Less costly according to some analyses Disadvantages of oral form over IM injection:: Greater risk of non-compliance In 1991, a survey done on Minneapolis internists led one commentary to conclude that oral vitamin B 12 replacement for pernicious anemia was one of medicines best kept secret. 18 In 1996, when the survey was repeated again in the same area, awareness and use of oral vitamin B 12 for pernicious anemia had increased substantially (019%), but the majority of doctors still remain unaware of this treatment option (61%)

Scand J Gastroenterol Suppl 1974;29:89-95

Look at it again and you see the boxes under each option that says OTHER

Self-Administration Guidelines for Home Use For patients who need ongoing vitamin B12 injections, self-administration at home can be convenient

The recommended dissolution method involves adding the powder to distilled water and stirring until fully dissolved