lump under skin after b12 injection Can Vitamin Injections Cause Nasty Rashes? Managing Vaccine Injection Site Reactions:
Description
However, the different nature of the brain phenotypes observed in 22q11.2DS patients suggests that additional genes from the deleted region likely play a role

So, patients must take vitamin B12 for life to manage their condition well
The four subcutaneous areas that work best are the lower abdomen (away from the navel), the outer thigh, the back of the upper arm, and the flank or love-handle area
Then other excipients including isotonic agent, pH balancing agent, and preservative are also incorporated to form uniform solution