Children and Adolescents: Growing children and teenagers have increased nutrient requirements, including vitamin B12
Younger people with B12 deficiency might need shots less often
FDA & Compounding Disclaimers 1
Possible Side Effects Mild side effects of Vitamin B12 may include: ( 12 ) Mild pain, itching, or swelling at the injection site Temporary nausea or headache Mild diarrhea Hot flashes Vomiting These side effects do not affect all patients and are generally temporary and mild While rare, more serious side effects of Vitamin B12 injections can include ( 12 ): Irregular heartbeat Heart palpitations Hives or skin rash If you notice any severe reactions to a Vitamin B12 shot, contact a medical professional immediately
Comfort and Aftercare B12 injections are well tolerated, and a topical anaesthetic is rarely needed for a single deltoid dose, though the same comfort principles apply as with any injectable
Alcohol disrupts the effect of anaesthesia on the body
