Propafenone ER (Propafenone Hydrochloride Extended-Release) is a Class IC antiarrhythmic medication used to manage certain abnormal heart rhythms. It works by blocking sodium channels in the heart muscle, helping to stabilize electrical signals and maintain a normal heart rhythm.
Propafenone ER is commonly prescribed to treat atrial fibrillation, ventricular arrhythmias, and other supraventricular rhythm disturbances, under specialist supervision.