CORDARONE vs PRONESTYL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Possible drug interaction. CORDARONE and PRONESTYL are different prescription medicines. Combining or switching between them can cause interactions — talk to a pharmacist or prescriber before making changes. This page is not medical advice.

Attribute	CORDARONE	PRONESTYL
Rating	New	New
Pharmacy pays	~$3.68 /30	—
Type	RX	RX
Active ingredient	AMIODARONE HYDROCHLORIDE	PROCAINAMIDE HYDROCHLORIDE
Manufacturer	Wyeth Pharms Inc	Apothecon
Dosage forms	Tablet, Injectable	Capsule, Tablet, Injectable
Drug class	Antiarrhythmic	Antiarrhythmic
Boxed warning	None	None
Treats	Supraventricular Tachycardia, Ventricular Fibrillation	Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia

cordarone pronestyl

Rating

New

Pharmacy pays

~$3.68 /30

—

Type

Active ingredient

AMIODARONE HYDROCHLORIDE

PROCAINAMIDE HYDROCHLORIDE

Manufacturer

Wyeth Pharms Inc

Apothecon

Dosage forms

Tablet, Injectable

Capsule, Tablet, Injectable

Drug class

Antiarrhythmic

Boxed warning

None

Treats

Supraventricular Tachycardia, Ventricular Fibrillation

Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia

Frequently asked questions

What is the difference between Cordarone and Pronestyl?

Cordarone contains Amiodarone Hydrochloride, while Pronestyl contains Procainamide Hydrochloride — they have different active ingredients.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.