low b12 despite injections Vitamin Deficiency: Symptoms, Causes & Treatment Vitamin B12 - PMC

An untreated vitamin B12 deficiency can lead to neurological problems or pernicious anemia, which occurs when your body doesnt have enough B12 to produce the amount of red blood cells it needs ( Vitamin B12 shots are typically the most common way to prevent or treat a deficiency

See a healthcare provider if you have side effects, if your symptoms get worse, or if you have questions about your treatment

Over time, this could contribute to ventricular failure of the heart

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These are outcomes that change health trajectories, reduce comorbidity risks, and fundamentally alter quality of life