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Hmmm interesting
Insert needle at recommended angle for chosen route (IM or SC)
Review supplementation If elevated B12 results from excessive supplementation: Discontinue or reduce high-dose supplements unless medically indicated For patients receiving therapeutic B12 injections for confirmed deficiency, continue treatment as prescribedelevated levels are expected after replacement therapy and do not indicate toxicity Review with GP to ensure supplementation remains appropriate 3
Endocrinology 158 , 12311251 (2017)
Warnings Patients with early Leber's disease (hereditary optic nerve atrophy) who were treated with cyanocobalamin suffered severe and swift optic atrophy
Importantly, these effects occurred at rates similar to placebo groups, suggesting that many cases represented background occurrence rather than treatment-specific effects
