Product Information

DILTIAZEM 12HR ER 90 MG CAP is a generic product labeled by Mylan Institutional LLC, priced at $1.7991 per EA under NDC 51079092520. Its NADAC has been published 639 times since Nov 28, 2013.

FDA first approved this application on May 2, 1997. Its Orange Book therapeutic-equivalence code is AB1 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

DILTIAZEM 12HR ER 90 MG CAP

diltiazem hydrochloride
$1.7991per EA

Strength

90 mg/1

NDC

51079092520

Classification

Generic

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

DILTIAZEM HYDROCHLORIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA074910

FDA Approved

5/2/1997

TE Code

AB1

On Market Since

12/15/1999

Pharmacological Classes

Calcium Channel Antagonists
Calcium Channel Blocker
Cytochrome P450 3A4 Inhibitors

Price Statistics

The NADAC for DILTIAZEM 12HR ER 90 MG CAP has been published 639 times since Nov 28, 2013, and over the history we have for it it has risen 86.0%. The table below summarizes its recorded NADAC range and movement.

Current price$1.7991 per EA
All-time high$3.0418 (Apr 12, 2023)
All-time low$0.9671 (Nov 28, 2013)
52-week high$1.8385
52-week low$1.7026
Median price$2.3687
Average price$2.2672
Largest weekly change+45.7% (Sep 23, 2015)
Weeks tracked639
Tracking sinceNov 28, 2013

Price History

1W

-1.4%

1M

-1.8%

3M

+5.7%

6M

-2.1%

1Y

+1.5%

3Y

-24.5%

5Y

-32.0%

All

+86.0%

Generic Alternatives

The matcher finds 3 manufacturers offering a NADAC-published product with this drug's active ingredient and strength in a comparable dosage form (cheapest from each manufacturer, up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Frequently asked questions

What is the NADAC price of DILTIAZEM 12HR ER 90 MG CAP?

The current National Average Drug Acquisition Cost (NADAC) for DILTIAZEM 12HR ER 90 MG CAP, manufactured by Mylan Institutional LLC, is $1.7991 per EA (NDC 51079092520), effective Aug 19, 2026.

How has the price of DILTIAZEM 12HR ER 90 MG CAP changed over time?

Over the history we have for it, the NADAC for DILTIAZEM 12HR ER 90 MG CAP has risen 86.0%. It has been tracked across 639 weekly CMS publications since Nov 28, 2013.

What are the highest and lowest recorded NADAC prices for DILTIAZEM 12HR ER 90 MG CAP?

Since Nov 28, 2013, the NADAC for DILTIAZEM 12HR ER 90 MG CAP has ranged from a low of $0.9671 (Nov 28, 2013) to a high of $3.0418 (Apr 12, 2023), with a median of $2.3687 per EA.

Are there cheaper alternatives to DILTIAZEM 12HR ER 90 MG CAP?

3 manufacturers publish a NADAC-priced product with the same active ingredient and strength as DILTIAZEM 12HR ER 90 MG CAP in a comparable dosage form, but none are currently priced below it.

Who manufactures DILTIAZEM 12HR ER 90 MG CAP?

DILTIAZEM 12HR ER 90 MG CAP (NDC 51079092520) is labeled by Mylan Institutional LLC, and CMS classifies it as a generic product.