Common side effects include mild soreness or redness at the injection site, which typically resolves quickly
Seeing that sort of experience, even for a doctor, stays with you, says Heber
If your dose is close to the syringes maximum capacity, you may want to go up a size to avoid difficulties handling it
Vitamins B6 and B12, for example, are specifically required for the production of healthy red blood cells and for nervous system health, respectively
It is less common for it to appear on other areas of the body and does not usually spread from existing patches
It may also occur if your diet is deficient in foods high in vitamin B12 or if you are using drugs that prevent the absorption of this vitamin