Severe. These medicines may interact and cause very harmful effects and are usually not taken together. Contact your healthcare professional (e.g. doctor or pharmacist) for more information.
How the interaction occurs:
Some medicines may slow down how quickly your liver processes dronedarone.
What might happen:
The amount of dronedarone 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 right away that you are taking these medicines together. Let your doctor know if you have a slow heartbeat or feel tired or weak.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.
1.Multaq (dronedarone) US prescribing information. Sanofi-Aventis U.S. LLC September, 2012.
2.Multaq (dronedarone) US prescribing information. Sanofi-Aventis U.S. LLC January, 2011.