Dronedarone/Diltiazem; Nifedipine; Verapamil
How the interaction occurs:
Each of these medicines may slow down how quickly your liver processes the other.
What might happen:
The amount of your medicines in your blood may increase and cause more side effects than normal.
What you should do about this interaction:
Let your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together. Let your doctor know if you experience any side effects from your medicine. Your doctor may want to change the doses of your medicine.Your healthcare professionals may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.Reference:1.Multaq (dronedarone) US prescribing information. Sanofi-Aventis U.S. LLC March, 2013.