Pharmacology – MCQ 96 – Drug interactions of digoxin

The following drugs have significant drug interaction with digoxin, except:
A. Cholestyramine
B. Thiazide diuretics
C. Quinidine
D. Amlodipine

Correct answer : D. Amlodipine

  • Cholestyramine decreases digoxin absorption
  • Quinidine decreases renal digoxin clearance
  • Thiazide diuretics promotes inhibition of Na – K ATPase by digoxin

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