Shots are often used for those with pernicious anemia or trouble absorbing B12
Patients should seek emergency medical help (call 999) if they experience: Difficulty breathing, wheezing, or throat tightness Swelling of the face, lips, tongue, or throat (angioedema) Widespread urticarial rash (hives) developing rapidly Dizziness, fainting, or rapid heartbeat suggesting anaphylaxis These symptoms typically occur within minutes to hours of administration, most commonly with injectable preparations
A B12 shot, or vitamin B12 injection, delivers B12 directly into the bloodstream
Pregnant or breastfeeding women should receive B12 supplementation only under the guidance of an obstetrician not at a med spa
What Are Some Factors That Increase the Chances of Vitamin B12 Deficiency