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CORDARONE vs QUINIDEX

Independent side-by-side comparison.

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

Possible drug interaction. CORDARONE and QUINIDEX 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.

Rating

New
New

Pharmacy pays

~$3.68 /30
~$326.26 /30

Type

RX
RX

Active ingredient

AMIODARONE HYDROCHLORIDE
QUINIDINE SULFATE

Dosage forms

Tablet, Injectable
Tablet, extended release

Drug class

Antiarrhythmic
Antiarrhythmic

Boxed warning

None
None

Treats

Supraventricular Tachycardia, Ventricular Fibrillation
Atrial Fibrillation, Atrial Flutter

Frequently asked questions

Which is cheaper, Cordarone or Quinidex?

Cordarone costs pharmacies less to acquire — about $3.68 vs $326.26 for a 30-count supply, per the CMS NADAC survey. That gap is in the pharmacy's cost of goods, not necessarily in what you pay: your price is set afterwards by your insurer and the pharmacy.

What is the difference between Cordarone and Quinidex?

Cordarone contains Amiodarone Hydrochloride, while Quinidex contains Quinidine Sulfate — 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.