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If you are prone to cold sores, we may want to institute antiviral therapy before injecting near the lips
By 2024, a comprehensive review suggested the figure could be as high as 29%
Never discontinue prescribed B12 treatment without consulting your GP, particularly if you have pernicious anaemia or documented deficiency
B12 Dosing in Patients with Renal Impairment People with kidney problems need to be careful with B12 doses
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