PROPAFENONE prevents and treats a fast or irregular heartbeat (arrhythmia). It is often used to treat a type of arrhythmia known as AFib (atrial fibrillation). It works by slowing down overactive electric signals in the heart, which stabilizes your heart rhythm. It belongs to a group of medications called antiarrhythmics.

Get Propafenone ER for as low as $32.33, which is 91% off the average retail price of $344.83 for the most common version, by using a GoodRx coupon.