Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Make sure your doctor knows if you are also using medicines to treat an abnormal heart rhythm. These medicines include amiodarone (Cordarone®), bretylium, disopyramide (Norpace®), quinidine (Cardioquin®, Quinaglute®, Quinidex®), ibutilide (Corvert®), procainamide (Procan®, Procanabid®, Pronestyl®), or sotalol (Betapace®).
Tell your doctor if you are also using arsenic trioxide (Trisenox®), astemizole (Hismanal®), cisapride (Propulsid®), dofetilide (Tikosyn®), erythromycin (Erythro-Tab®), fluoxetine (Prozac®), moxifloxacin (Avalox®), probucol (Lorelco®), gatifloxacin (Tequin®), or sparfloxacin (Zagam®).
Make sure your doctor knows if you use medicine for depression (such as amitriptyline, imipramine, Norpramin®, Vivactil®). Also tell your doctor if you use any medicines to treat mental illness (such as haloperidol (Haldol®), mesoridazine (Serentil®), thioridazine (Mellaril®), or ziprasidone (Geodon?).