Tell your prescribing doctor if you have any of these conditions, which can increase B12 shot side effects: An allergy to cobalt Kidney disease Severe megaloblastic anemia Side Effects from B12 Shots The most common B12 shot side effect is swelling at the injection site
And the data is catching up to that reality
Ensure caloric intake is above 1,200 (women) or 1,400 (men)
When these gastrointestinal side effects happen, they are typically mild in nature and generally subside over time, usually within 2-3 weeks
About 20 per cent of people with the condition have MASH, which, in serious cases, can lead to cirrhosis or cancer
III) Decreased fatty acid oxidation (Rasineni and Casey, 2012