Ranocard-ER Ranolazine Diltiazem Hydrochloride
ModerateDiltiazem is a moderate CYP 3A inhibitor, so if you take it with ranolazine, the maximum dose of ranolazine should be limited to 500 mg twice daily.
These medicines are often taken together with some care. Your doctor may change a dose, space them apart or check on you more often. Make sure your doctor and pharmacist know you take both.