Nitrendipine + DigoxinUnknown
Captopril 58% 39% Nitrendipine 57% 15% Propafenone 35-85% NA Quinidine 100% NA Ranolazine 87% 88% Ritonavir NA 86% Verapamil 50-75% NA Digoxin concentrations increased < 50% Carvedilol 16% 14% Measure serum digoxin concentrations before initiating concomitant drugs.
Source: FDA drug label - digoxin