vitamin b12 injection pediatric dose Vedco Inc Sandoz Vitamin B12 Injectable Solution

Today however, the shot barely hurt but half an hour later I got a shooting pain down my arm and around my elbow, its now spread into my armpit but it doesnt really go down to my wrist its mainly upper arm and armpit but its slightly creeping into my neck and shoulder

None will shift from NICE guidelines

After having a B12 shot, a person should monitor for adverse symptoms and seek medical help if they experience: severe pain at the injection site mild diarrhea a swelling sensation in the body temporary itching of the skin In rare cases, a person may also be at risk of: pulmonary edema peripheral vascular thrombosis, which involves blood clots polycythemia vera, which is a type of blood cancer If anyone experiences difficulty breathing, hives, and swelling, they need emergency medical help

Vitamin B12 Medical Encyclopedia [Internet]

Its helpful to track how you feel in the days following your first shot