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subcutaneous administration of vitamin b12 injections homocysteine using a portable infusion pump in cobalamin-related remethylation disorders: a gentle and easy to use alternative to intramuscular | Orphanet Journal Rare Diseases How to Give B12 Injections
Description
The typical treatment plan for diagnosed deficiency involves a loading phase of several injections over two weeks, followed by maintenance doses every 12 weeks

The relative increase in cardiovascular thrombotic events over baseline appears to be similar in patients with or without cardiovascular disease or risk factors for cardiovascular disease

All B 12 supplements have folic acid, and folic acid is toxic when taken in large quantities
Nausea or dizziness A temporary side effect in some individuals

References Herrmann W, Obeid R (2012) Cobalamin deficiency
