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CARDIOQUIN vs VERAPAMIL HYDROCHLORIDE

Independent side-by-side comparison.

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

Possible drug interaction. CARDIOQUIN and VERAPAMIL 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.

Rating

New
70/100

Pharmacy pays

~$5.71 /30

Type

RX
RX

Active ingredient

QUINIDINE POLYGALACTURONATE
VERAPAMIL HYDROCHLORIDE

Dosage forms

Tablet
Injectable, Tablet, Tablet, extended release

Drug class

Calcium Channel Blocker

Boxed warning

None
None

Half-life

about 2.8 to 7.4 hours after a single dose, rising to about 4.5 to 12 hours with repeated dosing

Treats

Atrial Fibrillation, Atrial Flutter
Variant Angina Pectoris, Atrial Fibrillation, Atrial Flutter

Frequently asked questions

What is the difference between Cardioquin and Verapamil Hydrochloride?

Cardioquin contains Quinidine Polygalacturonate, while Verapamil Hydrochloride contains Verapamil 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.