allergic to b12 injections Are Shots Safe? Royal Palm Beach Medical Group 💉🔥 MOST IMPORTANT INJECTION MEDICINES

Absorption problems Even with adequate intake, absorption can be reduced by: Certain gastrointestinal conditions affecting the stomach or small intestine Some medications Age-related reduction in stomach acid (which can affect absorption) Autoimmune gastritis (often historically referred to as pernicious anaemia) This is a well-recognised cause of B12 deficiency and may require ongoing management

High dose oral cobalamin may be a suitable alternative in selective cases, where intramuscular injections are not tolerated and compliance is not a problem

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Many symptoms attributed to 'B12 overdose' in popular media lack robust clinical evidence

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