Product Information
DILTIAZEM 24HR ER 420 MG CAP is a generic product labeled by Oceanside Pharmaceuticals, priced at $0.9897 per EA under NDC 68682037290. Its NADAC has been published 565 times since Dec 10, 2014.
FDA first approved this application on Sep 11, 1995. Its Orange Book therapeutic-equivalence code is AB4 — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
420 mg/1
Manufacturer
Oceanside PharmaceuticalsNDC
68682037290
Classification
Generic
Dosage Form
CAPSULE, EXTENDED RELEASE
Route
ORAL
Effective Date
9/17/2025
Active Ingredients
DILTIAZEM HYDROCHLORIDEApproval Type
Authorized Generic (NDA)
FDA Application
NDA020401FDA Approved
9/11/1995
TE Code
AB4
On Market Since
8/20/2014
Pharmacological Classes
Price Statistics
The NADAC for DILTIAZEM 24HR ER 420 MG CAP has been published 565 times since Dec 10, 2014, and over the history we have for it it has declined 27.0%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.9897 per EA |
|---|---|
| All-time high | $1.5469 (Apr 15, 2015) |
| All-time low | $0.8316 (Nov 20, 2024) |
| 52-week high | $0.9897 |
| 52-week low | $0.9761 |
| Median price | $1.1815 |
| Average price | $1.1686 |
| Largest weekly change | +27.5% (Nov 18, 2015) |
| Weeks tracked | 565 |
| Tracking since | Dec 10, 2014 |
1W
N/A
1M
N/A
3M
N/A
6M
N/A
1Y
+1.4%
3Y
+2.0%
5Y
-23.4%
All
-27.0%
Last surveyed Oct 1, 2025 — 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.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of DILTIAZEM 24HR ER 420 MG CAP?
The current National Average Drug Acquisition Cost (NADAC) for DILTIAZEM 24HR ER 420 MG CAP, manufactured by Oceanside Pharmaceuticals, is $0.9897 per EA (NDC 68682037290), effective Oct 1, 2025.
How has the price of DILTIAZEM 24HR ER 420 MG CAP changed over time?
Over the history we have for it, the NADAC for DILTIAZEM 24HR ER 420 MG CAP has declined 27.0%. It has been tracked across 565 weekly CMS publications since Dec 10, 2014.
What are the highest and lowest recorded NADAC prices for DILTIAZEM 24HR ER 420 MG CAP?
Since Dec 10, 2014, the NADAC for DILTIAZEM 24HR ER 420 MG CAP has ranged from a low of $0.8316 (Nov 20, 2024) to a high of $1.5469 (Apr 15, 2015), with a median of $1.1815 per EA.
Are there cheaper alternatives to DILTIAZEM 24HR ER 420 MG CAP?
1 manufacturer publishes a NADAC-priced product with the same active ingredient and strength as DILTIAZEM 24HR ER 420 MG CAP in a comparable dosage form, but none are currently priced below it.
Who manufactures DILTIAZEM 24HR ER 420 MG CAP?
DILTIAZEM 24HR ER 420 MG CAP (NDC 68682037290) is labeled by Oceanside Pharmaceuticals, and CMS classifies it as a generic product.