Product Information

TIADYLT ER 300 MG CAPSULE is a generic product labeled by Zydus Pharmaceuticals (USA) Inc., priced at $0.2567 per EA under NDC 68382074816. Its NADAC has been published 335 times since Mar 25, 2020.

FDA first approved this application on Aug 11, 2017. Its Orange Book therapeutic-equivalence code is AB4 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

TIADYLT ER 300 MG CAPSULE

diltiazem hydrochloride
$0.2567per EA

Strength

300 mg/1

NDC

68382074816

Classification

Generic

Dosage Form

CAPSULE, EXTENDED RELEASE

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

DILTIAZEM HYDROCHLORIDE

Approval Type

Generic (ANDA)

FDA Application

ANDA206641

FDA Approved

8/11/2017

TE Code

AB4

On Market Since

11/8/2017

Pharmacological Classes

Calcium Channel Antagonists
Calcium Channel Blocker
Cytochrome P450 3A4 Inhibitors

Price Statistics

The NADAC for TIADYLT ER 300 MG CAPSULE has been published 335 times since Mar 25, 2020, and over the history we have for it it has declined 53.2%. The table below summarizes its recorded NADAC range and movement.

Current price$0.2567 per EA
All-time high$0.7662 (Jul 14, 2021)
All-time low$0.1727 (Jan 21, 2026)
52-week high$0.5394
52-week low$0.1727
Median price$0.5578
Average price$0.5355
Largest weekly change+62.9% (May 17, 2023)
Weeks tracked335
Tracking sinceMar 25, 2020

Price History

1W

+2.8%

1M

-3.2%

3M

-5.3%

6M

+48.5%

1Y

-52.4%

3Y

-57.7%

5Y

-51.7%

All

-53.2%

Generic Alternatives

The matcher finds 4 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 TIADYLT ER 300 MG CAPSULE?

The current National Average Drug Acquisition Cost (NADAC) for TIADYLT ER 300 MG CAPSULE, manufactured by Zydus Pharmaceuticals (USA) Inc., is $0.2567 per EA (NDC 68382074816), effective Aug 19, 2026.

How has the price of TIADYLT ER 300 MG CAPSULE changed over time?

Over the history we have for it, the NADAC for TIADYLT ER 300 MG CAPSULE has declined 53.2%. It has been tracked across 335 weekly CMS publications since Mar 25, 2020.

What are the highest and lowest recorded NADAC prices for TIADYLT ER 300 MG CAPSULE?

Since Mar 25, 2020, the NADAC for TIADYLT ER 300 MG CAPSULE has ranged from a low of $0.1727 (Jan 21, 2026) to a high of $0.7662 (Jul 14, 2021), with a median of $0.5578 per EA.

Are there cheaper alternatives to TIADYLT ER 300 MG CAPSULE?

4 manufacturers publish a NADAC-priced product with the same active ingredient and strength as TIADYLT ER 300 MG CAPSULE in a comparable dosage form, but none are currently priced below it.

Who manufactures TIADYLT ER 300 MG CAPSULE?

TIADYLT ER 300 MG CAPSULE (NDC 68382074816) is labeled by Zydus Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.