Cardizem generic name?

What is the generic name of Cardizem?

Cardizem is the brand name for diltiazem. [1]

Are there different Cardizem products under the same generic?

Yes. Different Cardizem formulations (such as immediate-release and extended-release versions) still use the same active ingredient: diltiazem. [1]

What is diltiazem used for?

Diltiazem is a calcium channel blocker used to treat conditions like high blood pressure and certain types of heart rhythm problems. [1]

Sources:
[1] https://www.drugs.com/brand-name/cardizem.html