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Propafenone Hydrochloride ER

Propafenone is a Class IC anti-arrhythmic that affects the way your heart beats. Propafenone is used in certain situations to prevent serious heart rhythm disorders. Propafenone may also be used for purposes not listed in this medication guide.
group I antiarrhythmics


Frequently Asked Questions

You should not use propafenone if you have heart failure, Brugada syndrome, sick sinus syndrome, AV block (without a pacemaker), severe low blood pressure, very slow heartbeats, a severe electrolyte imbalance, shortness of breath, or if you recently had a heart attack.

Propafenone may cause a new or worsening heartbeat pattern. Call your doctor at once if you have fast or pounding heartbeats, fluttering in your chest, shortness of breath, and sudden dizziness.

Similar Drugs

Brand Name Examples Supplied As Strength
Rythmol SR capsule, extended release 225 mg325 mg425 mg
Generic Examples Supplied As Strength
Propafenone Hydrochloride ER capsule, extended release 225 mg325 mg425 mg

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