is b12 injection subq or im B-12 (Methylcobalamin) Therapy A Guide to the Best

"Acid-Reflux Drugs Tied to Lower Levels of Vitamin B-12"

For drawing individual doses after reconstitution, a U-100 insulin syringe (0.5mL or 1mL) is standard

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The people who are at the highest risk of B12 insufficiency or deficiency are older adults, those with atrophic gastritis, gastrointestinal disorders, pernicious anemia, those who have had gastrointestinal surgery, vegans, and vegetarians

Referral to secondary care is indicated for severe or rapidly progressive neurological symptoms, diagnostic uncertainty, suspected bone marrow failure, or in pregnancy or paediatric cases