An older patient is diagnosed with low vitamin B12 and folic acid levels. Which medication could be causing this alteration in the patient's values?
A) Digoxin
B) Penicillin
C) Metformin
D) Theophylline

Question

Quizplus · Accepted Answer

Metformin, commonly used for type 2 diabetes, can cause malabsorption of vitamin B12, leading to its deficiency. Folic acid levels can also be affected indirectly due to alterations in the homocysteine cycle.

An Older Patient Is Diagnosed with Low Vitamin B12 and Folic