Fast Five Quiz: Vitamin B12 Deficiency

Romesh Khardori, MD, PhD

Disclosures

December 22, 2020

Prolonged use of the following medications has been associated with the development of vitamin B12 deficiency:

  • Histamine-2 receptor antagonist for > 12 months

  • Metformin use for > 4 months

  • Proton pump inhibitor use for > 12 months

Read more about the pathophysiology of vitamin B12 deficiency.

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