b12 injection lump cat Has A after Getting Vaccinated Vaccine Associated Fibrosarcoma (Cancer) -
Description
[DOI] [PMC free article] [PubMed] [Google Scholar] 11.Kraus D., Yang Q., Kong D., et al

presented for research and educational use only
Some common side effects of B12 shots include mild soreness where you got the injection, feeling dizzy, or having a headache

It can also cause bruising
