Product Information

DILTIAZEM 24H ER(LA) 300 MG TB is a generic product labeled by Slate Run Pharmaceuticals LLC, priced at $1.7746 per EA under NDC 70436019806. Its NADAC has been published 160 times since May 3, 2023.

FDA first approved this application on Mar 7, 2023. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

DILTIAZEM 24H ER(LA) 300 MG TB

Diltiazem Hydrochloride
$1.7746per EA

Strength

300 mg/1

NDC

70436019806

Classification

Generic

Dosage Form

TABLET, EXTENDED RELEASE

Route

ORAL

Effective Date

5/20/2026

Active Ingredients

DILTIAZEM HYDROCHLORIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA216439

FDA Approved

3/7/2023

TE Code

AB

On Market Since

3/20/2023

Pharmacological Classes

Calcium Channel Antagonists
Calcium Channel Blocker
Cytochrome P450 3A4 Inhibitors

Price Statistics

The NADAC for DILTIAZEM 24H ER(LA) 300 MG TB has been published 160 times since May 3, 2023, and over the history we have for it it has declined 43.1%. The table below summarizes its recorded NADAC range and movement.

Current price$1.7746 per EA
All-time high$3.1197 (Aug 16, 2023)
All-time low$1.2965 (Jan 21, 2026)
52-week high$2.9349
52-week low$1.2965
Median price$2.4080
Average price$2.3533
Largest weekly change+33.9% (Oct 23, 2024)
Weeks tracked160
Tracking sinceMay 3, 2023

Price History

1W

N/A

1M

N/A

3M

N/A

6M

+18.0%

1Y

-39.5%

3Y

-43.1%

5Y

N/A

All

-43.1%

Last surveyed May 20, 2026 — this NDC no longer appears in the current weekly NADAC file.

Generic Alternatives

The matcher finds 1 manufacturer 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 24H ER(LA) 300 MG TB?

The current National Average Drug Acquisition Cost (NADAC) for DILTIAZEM 24H ER(LA) 300 MG TB, manufactured by Slate Run Pharmaceuticals LLC, is $1.7746 per EA (NDC 70436019806), effective May 20, 2026.

How has the price of DILTIAZEM 24H ER(LA) 300 MG TB changed over time?

Over the history we have for it, the NADAC for DILTIAZEM 24H ER(LA) 300 MG TB has declined 43.1%. It has been tracked across 160 weekly CMS publications since May 3, 2023.

What are the highest and lowest recorded NADAC prices for DILTIAZEM 24H ER(LA) 300 MG TB?

Since May 3, 2023, the NADAC for DILTIAZEM 24H ER(LA) 300 MG TB has ranged from a low of $1.2965 (Jan 21, 2026) to a high of $3.1197 (Aug 16, 2023), with a median of $2.4080 per EA.

Are there cheaper alternatives to DILTIAZEM 24H ER(LA) 300 MG TB?

1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as DILTIAZEM 24H ER(LA) 300 MG TB in a comparable dosage form, but none are currently priced below it.

Who manufactures DILTIAZEM 24H ER(LA) 300 MG TB?

DILTIAZEM 24H ER(LA) 300 MG TB (NDC 70436019806) is labeled by Slate Run Pharmaceuticals LLC, and CMS classifies it as a generic product.