allergic reaction to vitamin b12 injection Can Injections Cause Nasty Rashes? Here's Why Vitamin B Can

One study in the The Journal of Allergy and Clinical Immunology found that some injected forms of B vitamins at higher doses, like B12, can be linked with an allergic reaction

This reflects enhanced fat oxidation providing consistent fuel even in the absence of recent food intake

However, research has not confirmed they are safe or effective for this purpose

doi: 10.1016/j.cmet.2014.10.002, PMID: [DOI] [PMC free article] [PubMed] [Google Scholar] 8.O'Leary F, Samman S

In one study of perceptions of long-acting injections (LAIs) compared to pills, for example, the perceived advantage for LAI over pills and the belief about the better efficiency of LAI were the main factors that drove the preference for LAI

Extra IV fluids may not be safe without your physician's clearance first