Safety is a top concern when considering any type of medical treatment, and B12 injections are no exception
Sosne G, Szliter EA, Barrett R, Kernacki KA, Kleinman H, Hazlett LD
Started with 0.25 mg twice daily, subcutaneous injections near the shoulder
Children presenting neurological signs or symptoms, those unable to take oral medication, individuals with known malabsorption syndromes, infants under 6 months old, and patients using medications that may interfere with vitamin B12 absorption are typically treated with a parenteral protocol (1)
However, because they are not yet FDA-approved for medical use, access is typically through compounding pharmacies or clinical research settings
Changes of calcitonin gene-related peptide content in induced sputum from patients with COPD and asthma