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Kemkar, S
Some common causes of vitamin B12 deficiency include: Autoimmune pernicious anemia Dietary limitations, such as vegetarian or vegan diets Medical conditions that affect absorption, such as celiac and Crohns disease Identifying the specific cause of deficiency can help guide treatment and prevention strategies
If normal, start 1000 mcg oral b12 daily as prevention given multiple risk factors (age, metformin, PPI, now semaglutide)
Hypercobalaminaemia is usually asymptomatic and discovered incidentally during blood tests
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