Rao Naren P, Kumar Naveen C, Raman Bhargava R P, Sivakumar Palanimuthu T, Pandey Ravi S
Department of Psychiatry, National Institute of Mental Health and Neurosciences (Deemed University), Bangalore 560 029, India.
Gen Hosp Psychiatry. 2008 Mar-Apr;30(2):185-6. doi: 10.1016/j.genhosppsych.2007.09.002.
Vitamin B12 deficiency anemia may have psychiatric manifestations preceding the hematological symptoms. Although a variety of symptoms are described, there are only sparse data on the role of vitamin B12 in depression. We report a case of vitamin B12 deficiency presenting with recurrent episodes of depression.