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Hepatic (liver-related) causes The liver is a major reservoir for cobalamin, so liver disease is one of the more common explanations for a high B12
Side effects are uncommon but can include transient flushing, nausea, or rarely hypersensitivity reactions, which is why infusion happens in a monitored clinical setting
They are generally well tolerated
Alghamdi M, Bashiri FA, Abdelhakim M, Adly N, Jamjoom DZ, Sumaily KM, et al
4 / 13 Your muscles may lack strength
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