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Autoimmune conditions Autoimmune conditions are also responsible for causing vitamin B12 deficiency
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Ramos et al., 2021
Call Your Provider Promptly For Severe abdominal pain (possible pancreatitis) Persistent vomiting that prevents fluid intake Right-upper-quadrant pain that radiates to the back or shoulder (possible gallbladder issue) Sudden vision changes (rare, but reported) Symptoms of severe dehydration: dizziness on standing, dark urine, dry mouth For a deeper dive on what to expect over time, our side effect timeline guide walks through duration and management for each common issue
Normal IM Dose for Adult Patients Adults usually get 1,000 mcg of vitamin B12 in a shot
