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
Safety considerations depend on the specific application
It also aids in memory and learning
Vitamin B-12 deficiency is not super common in the U.S
Navigating the landscape of B12 Shots & B12 Injections: The Good, Bad, and Alternative
News, Medical and Life Sciences, Obesity drug codenamed AOD 9604 highly successful in trials, 16 December 2004