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