Product Information
DILTIAZEM 12HR ER 120 MG CAP is a generic product labeled by Mylan Institutional LLC, priced at $1.9794 per EA under NDC 51079092620. Its NADAC has been published 574 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.
Strength
120 mg/1
Manufacturer
Mylan Institutional LLCNDC
51079092620
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
DILTIAZEM HYDROCHLORIDEApproval Type
Generic (ANDA)
FDA Application
ANDA074910FDA Approved
5/2/1997
TE Code
AB1
On Market Since
12/15/1999
Pharmacological Classes
Price Statistics
The NADAC for DILTIAZEM 12HR ER 120 MG CAP has been published 574 times since Nov 28, 2013, and over the history we have for it it has risen 45.6%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.9794 per EA |
|---|---|
| All-time high | $3.9505 (Sep 13, 2023) |
| All-time low | $1.3600 (Nov 28, 2013) |
| 52-week high | $2.5115 |
| 52-week low | $1.9794 |
| Median price | $3.1339 |
| Average price | $2.8959 |
| Largest weekly change | +52.1% (Sep 23, 2015) |
| Weeks tracked | 574 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 6 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). Switching to the cheapest would cut per-unit acquisition cost by roughly 95% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of DILTIAZEM 12HR ER 120 MG CAP?
The current National Average Drug Acquisition Cost (NADAC) for DILTIAZEM 12HR ER 120 MG CAP, manufactured by Mylan Institutional LLC, is $1.9794 per EA (NDC 51079092620), effective Aug 19, 2026.
How has the price of DILTIAZEM 12HR ER 120 MG CAP changed over time?
Over the history we have for it, the NADAC for DILTIAZEM 12HR ER 120 MG CAP has risen 45.6%. It has been tracked across 574 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for DILTIAZEM 12HR ER 120 MG CAP?
Since Nov 28, 2013, the NADAC for DILTIAZEM 12HR ER 120 MG CAP has ranged from a low of $1.3600 (Nov 28, 2013) to a high of $3.9505 (Sep 13, 2023), with a median of $3.1339 per EA.
Are there cheaper alternatives to DILTIAZEM 12HR ER 120 MG CAP?
Yes. 6 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, TIADYLT ER 120 MG CAPSULE, is $0.0964 per EA — about 95% below DILTIAZEM 12HR ER 120 MG CAP.
Who manufactures DILTIAZEM 12HR ER 120 MG CAP?
DILTIAZEM 12HR ER 120 MG CAP (NDC 51079092620) is labeled by Mylan Institutional LLC, and CMS classifies it as a generic product.