can b12 injections cause skin rash Common & Rare Side Effects of Vitamin Dealing with Stress-Induced Hives? 5

The amber color protects the light-sensitive nutrient to extend its useful life

Vegetarians and vegans can get Vitamin B12 from fortified foods and supplements too

The form, dose, and timing are worth recording, and further workup becomes necessary if the elevation persists once those sources are accounted for, or if symptoms, examination findings, or other labs raise concern

Hepatic (liver-related) causes The liver is a major reservoir for cobalamin, so liver disease is one of the more common explanations for a high B12

A B12 injection is a clinical procedure: site rotation, clean technique and correct dosing matter, which is why a trained clinician is the safest place to have one