BS Nursing Pharmacology-I
nmdcat.online June 6, 2026

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.
  • Decreased absorption of iron supplements.
  • Increased renal excretion of digoxin.

🔗 Share This Question

Categories

View all →