<prompt> The following drugs have Significant drug interactions with digoxin except.CholestyramineThiazide diureticsQuinidineAmlodipine  <response>: 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. 