Question 359 · LEK · Megaloblastic anemia
How should vitamin B₁₂ be supplemented in patients with pernicious anaemia (Addison- Biermer anaemia)?
- A. orally on an empty stomach for the rest of their life.
- B. orally after a meal for the rest of their life.
- C. intramuscular or deep subcutaneous injection for the rest of their life.
- D. intramuscular or deep subcutaneous injection for 3 months.
- E. vitamin B₁₂ should not be supplemented.
Hint
Consider why B12 is not absorbed in pernicious anemia and whether this defect ever resolves.
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