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Other factors that can cause vitamin B12 deficiency include gastrointestinal disorders, ageing, and certain medications like metformin and proton-pump inhibitors
Mood changes such as irritability or feeling low are also common, as well as tingling sensations in the hands and feet that signal nerve involvement
It is commonly prescribed for individuals with pernicious anemia, certain gastrointestinal disorders, or dietary deficiencies that impair B12 absorption
This led us to a debate about how, when you know a bit more about B12 deficiency and Pernicious Anaemia than your GP surgery, it comes as a bit of a surprise when bureaucracy outweighs common sense
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