Prevention of Major Birth Defects : Expectant mothers with B12 deficiency may choose to receive injections to ensure their levels are sufficient, contributing to the health of their unborn child
This list may not describe all possible interactions
Pregnancy Parenteral methylcobalamin is classified as pregnancy category C
However, do not stop prescribed B12 treatment without medical advice, particularly if you have documented deficiency or pernicious anaemia
Some patients feel as though they want more frequent injections, and occasionally we test levels to see if they are receiving adequate replacement, but Im not sure how strong the evidence is to support this. GPs should consider periodic vitamin B12 testing of higher-risk patients who take metformin, even if they dont display symptoms of deficiency, the UK medicines regulator said earlier this year
It is not approved for human or veterinary use, and no therapeutic claims are made