vitamin b12 injection side effect flushing warmth Why do I feel worse after a injection? B12 Shots at Home: How,

How to Check for Vitamin B12 Deficiency During Pregnancy

Reported / Possible Side Effects Mild, anecdotal: Occasional reports of mild headache, transient jitteriness, or injection-site reactions

As well as from poor diet and digestion, vitamin B12 deficiencies can also be affected by a genetic condition such as: o Pernicious anaemia o Crohns disease o Treatment with proton-pump inhibitors o Atrophic gastritis o Coeliac disease o Use of antacids (acid is required to release B12 from food) o Gastrointestinal surgery o Use of certain medications o Use of illegal drugs and substances including nitrous oxide

It is advisable to consult with a healthcare professional to determine if vitamin B12 supplementation is needed based on your needs and risk factors