disopyramide - oral, Norpace (cont.)
DRUG INTERACTIONS: Drug interactions may change how your medications work or increase your risk for serious side effects. This document does not contain all possible drug interactions. Keep a list of all the products you use (including prescription/nonprescription drugs and herbal products) and share it with your doctor and pharmacist. Do not start, stop, or change the dosage of any medicines without your doctor's approval.Some products that may interact with this drug include: fingolimod, certain calcium channel blockers (diltiazem and verapamil).Many drugs besides disopyramide may affect the heart rhythm (QT prolongation), including amiodarone, dofetilide, flecainide, ketoconazole, pimozide, procainamide, quinidine, sotalol, macrolide antibiotics (such as clarithromycin, erythromycin), and certain quinolone antibiotics (such as sparfloxacin), among others. (See also Precautions section.)Other medications can affect the removal of disopyramide from your body, which may affect how disopyramide works. Examples include phenobarbital, phenytoin, and rifampin, among others.
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
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