CARDIOQUIN vs PROPAFENONE HYDROCHLORIDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated August 20, 2026·How we rate

Possible drug interaction. CARDIOQUIN and PROPAFENONE HYDROCHLORIDE 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	CARDIOQUIN	PROPAFENONE HYDROCHLORIDE
Rating	New	72/100
Pharmacy pays	—	~$10.51 /30
Type	RX	RX
Active ingredient	QUINIDINE POLYGALACTURONATE	PROPAFENONE HYDROCHLORIDE
Manufacturer	Pharm Res Assoc	Rising
Dosage forms	Tablet	Capsule, extended release, Tablet
Drug class	—	Antiarrhythmic
Boxed warning	None	Boxed warning
Half-life	—	about 2 to 10 hours (immediate-release) in the ~90% of adults who are extensive CYP2D6 metabolizers
Treats	Atrial Fibrillation, Atrial Flutter	Atrial Fibrillation, Supraventricular Tachycardia

cardioquin propafenone hydrochloride

Rating

New

72/100

Pharmacy pays

—

~$10.51 /30

Type

Active ingredient

QUINIDINE POLYGALACTURONATE

PROPAFENONE HYDROCHLORIDE

Manufacturer

Pharm Res Assoc

Rising

Dosage forms

Tablet

Capsule, extended release, Tablet

Drug class

—

Antiarrhythmic

Boxed warning

None

Boxed warning

Half-life

—

about 2 to 10 hours (immediate-release) in the ~90% of adults who are extensive CYP2D6 metabolizers

Treats

Atrial Fibrillation, Atrial Flutter

Atrial Fibrillation, Supraventricular Tachycardia

Frequently asked questions

What is the difference between Cardioquin and Propafenone Hydrochloride?

Cardioquin contains Quinidine Polygalacturonate, while Propafenone Hydrochloride contains Propafenone 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.