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where to give im b12 injections How at Home to Yourself · PA Relief Vitamin B12 Injection Sites: All
Description
In another study, the incidence of a vitamin B12 deficiency was 27% in people with hypothyroidism, 17% in patients with subclinical hypothyroidism, and 18% in those with autoimmune thyroid disease

You can eat dairy with Flagyl (metronidazole)

Possible side effects include: headache, flushing (warmth or redness of the face), dizziness or light-headedness, nausea, or transient fatigue/somnolence

PPIs lower stomach acid, making it hard to absorb B12
