The following drugs have Significant drug interactions with digoxin except.
Amlodipine is a calcium channel blocker. Digoxin cause an increase in accumulation of intracellular Calcium. Hence there is no significant drug interaction with CCBS (REF.Essentials of medical pharmacology KD TRIPATHI 8th ed.)
Cholestyramine
Thiazide diuretics
Quinidine
Amlodipine
Cardiovascular system