Propafenone is used in the treatment and prevention of arrhythmia.
How Propafenone works Propafenone is an anti-arrhythmic medication. It functions by blocking abnormal electrical signals in the heart, helping to restore a normal rhythm to an irregular heartbeat.
Common side effects of Propafenone include dizziness, taste changes, vomiting, nausea, and atrioventricular block.