giving a vitamin b12 injection Injections Best Vitamin B12 Injection Site:

Folic acid and B12 are generally safe when taken in recommended amounts

Neurobion Forte RF Injection may cause side effects including pain, redness, or swelling at the injection site, nausea, vomiting, dizziness, headache, flushing, and allergic reactions such as rash or itching

If folate deficiency is suspected, it is reasonable to give oral folic acid (0.4 1 mg/day) without doing laboratory investigation for deficiency at least until the hemoglobin and mean corpuscular volume normalizes (or longer if the underlying cause cannot be eliminated)

[PubMed] [Google Scholar] 2.Acheson KJ, Gremaud G, Meirim I, Montigon F, Krebs Y, et al