CORVERT vs PRONESTYL

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 21, 2026·How we rate

Possible drug interaction. CORVERT 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	CORVERT	PRONESTYL
Rating	64/100	New
Pharmacy pays	—	—
Type	RX	RX
Active ingredient	IBUTILIDE FUMARATE	PROCAINAMIDE HYDROCHLORIDE
Manufacturer	Pfizer	Apothecon
Dosage forms	Injectable	Capsule, Tablet, Injectable
Drug class	Antiarrhythmic	Antiarrhythmic
Boxed warning	Boxed warning	None
Treats	Atrial Fibrillation, Atrial Flutter	Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia

corvert pronestyl

Rating

64/100

New

Pharmacy pays

—

Type

Active ingredient

IBUTILIDE FUMARATE

PROCAINAMIDE HYDROCHLORIDE

Manufacturer

Pfizer

Apothecon

Dosage forms

Injectable

Capsule, Tablet, Injectable

Drug class

Antiarrhythmic

Boxed warning

None

Treats

Atrial Fibrillation, Atrial Flutter

Atrial Fibrillation, Atrial Flutter, Supraventricular Tachycardia

Frequently asked questions

What is the difference between Corvert and Pronestyl?

Corvert contains Ibutilide Fumarate, 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.