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Medical condition
Vitamin B12 Deficiency
Also known as: Cobalamin Deficiency
Vitamin B12 deficiency causes macrocytic anemia and, distinctively, neurologic damage that can be irreversible if not corrected promptly.
Last reviewed
Overview
What you need to know
Provider-reviewed care evaluates serum B12 alongside methylmalonic acid for borderline values, identifies cause (intake, absorption, medications), and selects oral or parenteral repletion based on severity.
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