numbness after b12 injection in arm Did you know that an just the right spot can numb your entire arm? It's called a "brachial plexus block." To do it, the doctor numbs your skin and then guides a needle to the brachial B12 Shot Guide: Benefits, Dosage
Description
Improved clarity and stamina are among the most frequently reported results
The results included a reticulocyte count of 0.32%, an absolute reticulocyte count of 0.0069x10/L, an immature reticulocyte fraction (IRF) of 10.4%, and haptoglobin was less than 20 mg/dL

2001 Oct;25(10):1442-9

Always seek the advice of a qualified veterinarian and obtain professional advice on the correct regimen for your cat and his or her particular requirements

However, B12 shots may not create a noticeable energy boost for everyone
