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CARDIZEM vs COVERA-HS

Independent side-by-side comparison.

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

Possible drug interaction. CARDIZEM and COVERA-HS 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.

cardizemcovera-hs

Rating

New
64/100

Pharmacy pays

~$9.18 /30
~$5.71 /30

Type

RX
RX

Active ingredient

DILTIAZEM HYDROCHLORIDE
VERAPAMIL HYDROCHLORIDE

Manufacturer

Biovail
Pfizer

Dosage forms

Tablet
Tablet, extended release

Drug class

Calcium Channel Blocker
Calcium Channel Blocker

Boxed warning

None
None

Half-life

about 3 to 4.5 hours
about 2.8 to 7.4 hours after a single dose, rising to about 4.5 to 12 hours with repeated dosing

Treats

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

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Frequently asked questions

Which is cheaper, Cardizem or Covera-Hs?

Covera-Hs costs pharmacies less to acquire — about $5.71 vs $9.18 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 Cardizem and Covera-Hs?

Cardizem contains Diltiazem Hydrochloride, while Covera-Hs 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.