Samtidig indgift af 30 mg darifenacin 1 gang daglig, (det dobbelte af den anbefalede daglige dosis) og digoxin ved steady state resulterede i en lille øgning af digoxin eksponering (AUC:
Darifenacin 30 mg once daily (two times greater than the recommended daily dose) co-administered with digoxin at steady state resulted in a small increase in digoxin exposure (AUC: