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2006;142C(3):149-157
Archived from the original on 7 April 2020
Other factors include: Underlying cause of deficiency : Pernicious anaemia, malabsorption disorders, or dietary insufficiency may affect treatment response Medication use : Metformin and proton pump inhibitors can reduce gastrointestinal B12 absorption (though this does not affect the efficacy of intramuscular injections) Individual variation : Differences in how efficiently your body utilises the injected vitamin Adherence to treatment schedule : Missing injections or delaying maintenance doses can slow recovery Discussing these factors with your healthcare provider helps set realistic expectations for your treatment journey
While omeprazole is useful for GERD and PUD, its use is not without the increased risk of other complications, such as an increased risk for aspiration pneumonia in certain patients, clinically relevant drug-drug interactions, and complications related to vitamin B12 deficiency, such as macrocytic anemia, hyperhomocysteinemia, and/or neuropathies.1-7 The focus of this article is related to the mechanism by which omeprazole could cause a deficiency in vitamin B12
