Presonil Metoprolol Tartrate Propafenone Hydrochloride
ModerateDrugs that inhibit CYP2D6 such as quinidine, fluoxetine, paroxetine and propafenone are likely to increase Preloc concentration. These increases in plasma concentration would decrease the cardioselectivity of Preloc.
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.