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Generic Cardizem LA

At this time, generic Cardizem LA is available in five strengths, ranging from 180 mg to 420 mg. Although generic 120-mg tablets have been approved by the FDA, they are not yet available in generic form.

Generic Cardizem LA: An Overview

Cardizem LA® (diltiazem hydrochloride) is a prescription medicine used for the treatment of high blood pressure (hypertension) or chest pain (known medically as angina). It is part of a group of medications called calcium channel blockers.
Cardizem LA is currently manufactured by Kos Pharmaceuticals, a division of Abbott Pharmaceuticals. Generic versions of Cardizem LA are also available.

Strengths of Generic Cardizem LA

Generic Cardizem LA is made by Watson Laboratories, Inc., and is currently available in the following strengths:
  • Diltiazem 180 mg extended-release tablets
  • Diltiazem 240 mg extended-release tablets
  • Diltiazem 300 mg extended-release tablets
  • Diltiazem 360 mg extended-release tablets
  • Diltiazem 420 mg extended-release tablets.


Generic 120-mg tablets are not yet available, although they have been approved by the FDA.

Are the Generics as Good as Cardizem LA?

All generic medications must undergo certain tests to compare them to brand-name medications. The U.S. Food and Drug Administration (FDA) then looks at these tests to decide if the generics are equivalent to the brand-name medications and assigns each generic a rating. An "AB" rating means that the FDA has determined that a generic medication is equivalent to a brand-name medication. The generic version has an "AB" rating, meaning it should be equivalent to Cardizem LA.
However, generic medications are allowed to have different inactive ingredients than the brand-name medication. This might include fillers, dyes, or other ingredients that may cause problems for people with allergies or sensitivities.
It is worth noting that there are several different formulations of diltiazem, some of which are available in generic form, and some that are not. Cardizem LA and its generic version are not equivalent or interchangeable with other diltiazem formulations.
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Information on Cardizem LA

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