Self injecting vitamin B12. Quick and painless jabs after a B12 by Dr Caroline Palmer Medium Injecting substances can expose individuals that use injection drugs to serious harm, but understanding the difference between safer and more harmful sites can help reduce these potential dangers. Here's a breakdown of Vit B12 to resolve symptoms of burning, shooting pain, due to peripheral neuropathy, affecting the patients mobility . Typically patients have these symptoms due to diabetes, or autoimmune conditions Sciatic Nerve Injury After a Gluteal Injection: What to Do When the Pain Doesn't Go Away!