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September 1970

Paroxysmal Positional Vertigo in Vitamin B12 Deficiency

Author Affiliations

From the Section of Hematology, Department of Medicine, Veterans Administration Hospital (Drs. Mahmud and Doscherholmen and Miss Ripley) and the Department of Medicine, University of Minnesota, Minneapolis (Dr. Doscherholmen). Dr. Mahmud is a fellow in hematology at the University of Minnesota and Veterans Administration Hospital, Minneapolis.

Arch Otolaryngol. 1970;92(3):278-280. doi:10.1001/archotol.1970.04310030068014

A patient with vitamin B12, deficiency without anemia developed early neurologic manifestations of pernicious anemia, including a previously unreported complication of paroxysmal positional vertigo. All complications promptly disappeared with cyanocobalamin therapy.