title: Catatonia and other psychiatric symptoms with vitamin B12 deficiency.
abstract: OBJECTIVE
  To study unusual psychiatric manifestation of vitamin B12 deficiency and related issues.
  
  
  METHODS
  A case study of 52-year-old female and review of relevant literature.
  
  
  RESULTS
  Complete remission of psychiatric symptoms without recurrence for the next 4 years with vitamin B12 as the only specific therapy instituted.
  
  
  CONCLUSIONS
  Importance of B12 estimation and replacement in patients with varied psychiatric manifestations.
authors.affiliation: Department of Psychiatry, All India Institute of Medical Sciences, New Delhi, India.
authors.forename: N
authors.initials: N
authors.lastname: Berry
authors.forename: R
authors.initials: R
authors.lastname: Sagar
authors.forename: B M
authors.initials: BM
authors.lastname: Tripathi
mesh_terms: D000328:Adult; D002389:Catatonia / Q000209:etiology*; D006801:Humans; D008297:Male; D001523:Mental Disorders / Q000209:etiology*; D014805:Vitamin B 12 / Q000627:therapeutic use; D014806:Vitamin B 12 Deficiency / Q000150:complications* / Q000523:psychology*
chemical_list: D014805:Vitamin B 12