vitamin b12 subcutaneous injection B-12 Cyanocobalamin
1000 mcg / mL Intramuscular or
Injection Multiple Dose Vial 30 mL
American Regent 00517013005 Choosing the Right Needle and

B-12 also plays a crucial role in the production of red blood cells, helping to prevent anemia

Information presented on this website is not a substitute for, or alternative to, information from a qualified health care practitioner

further notes that NICE CKS guidance states that treatment of B12 deficiency in people with neurologic involvement should include injections on alternate days until there is no further improvement

Mild Nausea or Diarrhea: Less common, but can occur

Also, high-dose B12 has been linked to acneiform eruptions in some case reports and reviews (Bahbouhi et al., 2023) as described in the PubMed record

Your provider should reassess your B12 levels periodically typically every 3 to 6 months to determine whether continued injections are warranted or whether oral supplementation is sufficient to maintain adequate levels