Question

A 62-year-old vegan with tingling and macrocytosis has low B12 and positive intrinsic factor antibodies. Best initial treatment?

Accepted Answer

IM hydroxocobalamin 1 mg three times a week for 2 weeks, then every 3 months

Answer

Oral cyanocobalamin daily for life

Answer

Folate supplementation only

Answer

Single IM hydroxocobalamin 1 mg then stop

Answer

No treatment if asymptomatic

Practice question

A 62-year-old vegan with tingling and macrocytosis has low B12 and positive intrinsic factor antibodies. Best initial treatment?