Rythmosin 150 Propafenone Hydrochloride Erythromycin
ModerateYour body clears Propafenone using certain liver enzymes. Erythromycin slows these enzymes, so Propafenone is expected to build up in your blood. Grapefruit juice, ketoconazole and ritonavir can do the same.
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.
What to do: Ask your doctor or pharmacist before using these together. They may check you more closely or change the plan.