Case Report February 20, 2020

A Case of Vitamin B12 Deficiency With Various Psychiatric Symptoms and Cognitive Impairment

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Prim Care Companion CNS Disord 2020;22(1):19l02490

Article Abstract

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Previous studies have reported that neuropsychiatric symptoms are associated with vitamin B12 deficiency. Disturbance of consciousness, delirium, and cognitive impairment are strongly suggestive of mental illness and organic brain disease. Therefore, clinicians may find vitamin B12 deficiency to be a diagnostic challenge, as illustrated in our case report.