46. A patient with tuberculosis is prescribed rifampin. Technically, what critical drug interaction can occur with rifampin due to its potent enzyme-inducing properties?
A.
Decreased metabolism of warfarin, leading to increased INR.
B.
Increased metabolism of oral contraceptives, leading to reduced efficacy.
✓
C.
Decreased absorption of iron supplements.
D.
Increased renal excretion of digoxin.
📖 Additional Information
Decreased metabolism of warfarin, leading to increased INR.
Increased metabolism of oral contraceptives, leading to reduced efficacy.