Data / Drug companies / Diltiazem hydrochloride

Diltiazem hydrochloride: 55 companies and 289 products in the FDA NDC directory

Updated November 6, 2026. Source: US Food and Drug Administration, National Drug Code Directory (openFDA).

Diltiazem hydrochloride is listed in the FDA National Drug Code Directory by 55 companies, with 289 products in commercial distribution. 253 of the products (87.5%) are marketed under an abbreviated new drug application (ANDA), the generic route. The most common dosage forms are capsule, extended release; tablet; tablet, extended release, and the newest product started marketing on October 1, 2026.

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Companies listing it

55

Products

289

Generic (ANDA) products

253 (87.5%)

Application numbers

40

Routes

Oral, Intravenous

Brand names

Tiadylt Er, Tiazac Extended Release, Cartia XT, Cardizem La, Matzim La, Cardizem CD, Cardizem, Cartia XT

openFDA record search

api.fda.gov

Companies that list diltiazem hydrochloride

Ranked by number of products. Finished drugs in commercial distribution.

Dosage forms

Marketing categories

Pharmacologic classes

CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.