How the interaction occurs:
Domperidone can affect your heart's rhythm. Other drugs can have the same effect.
What might happen:
Taking domperidone with other agents that can affect your heart rhythm may increase your risk of irregular heartbeat, which may be life-threatening.
What you should do about this interaction:
Make sure your healthcare professionals (e.g. doctor or pharmacist) know that you are taking these medicines together and all other medicines you are taking. Your doctor may want to perform an electrocardiogram (ECG) on you to check your heart rate and rhythm or adjust the dose of your domperidone. Let your doctor know right away if you notice and irregular heartbeat or have any dizziness or fainting episodes.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.Mathivanan M. Dear Canadian Healthcare Professional: Subject: Association of domperidone maleate with serious ventricular arrhythmias and sudden cardiac death. Teva Canada Limited March 2, 2012.
4.Phansalkar S, Desai AA, Bell D, Yoshida E, Doole J, Czochanski M, Middleton B, Bates DW. High-priority drug-drug interactions for use in electronic health records. J Am Med Inform Assoc 2012 Sep-Oct; 19(5):735-43.