There is 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: anaphylaxis pulmonary edema congestive heart failure peripheral vascular thrombosis, which involves blood clots polycythemia vera, which is a type of blood cancer If anyone experiences difficulty breathing, hives, or swelling, they need emergency medical help
It allows your body to absorb the B12 without going through your digestive system first
Do not stop using the medicine unless your doctor tells you to
For detailed preparation guidance, the bacteriostatic water measurement guide prevents dosing errors during reconstitution
Solomon LR
Although uncommon, it is possible to have elevated B12 levels in a blood test, says Sheri Vettel, a registered dietitian nutritionist (RDN) with the Institute for Integrative Nutrition