adverse effects of vitamin b12 injections Are Shots Safe? Royal Palm Beach Medical Group What Are B12 Shots? 5

Important safety considerations: Patients should contact their GP if they experience severe injection site reactions, signs of infection (fever, spreading erythema), chest pain, palpitations, or allergic symptoms

All injections were performed under general anesthesia using ultrasound guidance by a trained physiatrist under sterile conditions

Haematological responses occur within 12 weeks, but nerve repair is slower and may be incomplete if deficiency has been prolonged

It is important to check for coexistent folate and iron deficiency

B12 helps convert one compound (homocysteine) into another (methionine), which the body uses to create materials necessary for repair and cellular signaling

Lang T, Croal B