Other common reasons are a local injection-site reaction, your body adjusting to corrected levels, and an underlying deficiency that was more severe than expected
The standard NHS schedule For a confirmed deficiency, the NHS treatment pathway sets out: Loading phase: 1mg of hydroxocobalamin on alternate days for up to two weeks (longer if there are neurological symptoms), to refill your stores
When pernicious anaemia is suspected, testing for anti-intrinsic factor antibodies (and sometimes anti-parietal cell antibodies) is recommended
The benefits of B12 shots are most pronounced in those with a B12 deficiency
We dont routinely check glucose levels when examining a cow, but if one of our vets diagnoses fatty liver disease (usually during LDA surgery), B12 is usually prescribed for treatment
These studies are certainly interesting, but they have yet to conclusively prove a link between large amounts of vitamin B12 and breakouts