b12 injection Do You Need a Prescription for Injections? Veterinarians may prescribe vitamin B12 injections to animals with a deficiency Compounded Cyanocobalamin (Vitamin B12) Injection
Description
In fact, most patients are able to resume their daily activities within minutes of undergoing this noninvasive treatment that takes as little as 35 minutes

Itching or rash

A deficiency can also result from not getting enough B12 in what you eat due to various food restrictions

If you see an air bubble, flick the side of the syringe