Product Information
DIFLUNISAL 500 MG TABLET is a generic product labeled by Heritage Pharmaceuticals Inc., priced at $1.0614 per EA under NDC 14539067301. Its NADAC has been published 339 times since Nov 13, 2019.
Strength
500 mg/1
Manufacturer
Heritage Pharmaceuticals Inc.NDC
14539067301
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
DIFLUNISALApproval Type
Generic (ANDA)
FDA Application
ANDA202845On Market Since
3/8/2012
Pharmacological Classes
Price Statistics
The NADAC for DIFLUNISAL 500 MG TABLET has been published 339 times since Nov 13, 2019, and over the history we have for it it has declined 15.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.0614 per EA |
|---|---|
| All-time high | $1.4281 (Jun 10, 2020) |
| All-time low | $0.8327 (Dec 21, 2022) |
| 52-week high | $1.1995 |
| 52-week low | $1.0192 |
| Median price | $1.0961 |
| Average price | $1.0972 |
| Largest weekly change | -29.8% (Dec 21, 2022) |
| Weeks tracked | 339 |
| Tracking since | Nov 13, 2019 |
Generic Alternatives
The matcher finds 1 NADAC-published product sharing this drug's active ingredient, strength, and dosage form across 1 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 DIFLUNISAL 500 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for DIFLUNISAL 500 MG TABLET, manufactured by Heritage Pharmaceuticals Inc., is $1.0614 per EA (NDC 14539067301), effective Jun 24, 2026.
How has the price of DIFLUNISAL 500 MG TABLET changed over time?
Over the history we have for it, the NADAC for DIFLUNISAL 500 MG TABLET has declined 15.1%. It has been tracked across 339 weekly CMS publications since Nov 13, 2019.
What are the highest and lowest recorded NADAC prices for DIFLUNISAL 500 MG TABLET?
Since Nov 13, 2019, the NADAC for DIFLUNISAL 500 MG TABLET has ranged from a low of $0.8327 (Dec 21, 2022) to a high of $1.4281 (Jun 10, 2020), with a median of $1.0961 per EA.
Are there cheaper alternatives to DIFLUNISAL 500 MG TABLET?
1 NADAC-published product shares the same active ingredient, strength, and dosage form as DIFLUNISAL 500 MG TABLET, but none are currently priced below it.
Who manufactures DIFLUNISAL 500 MG TABLET?
DIFLUNISAL 500 MG TABLET (NDC 14539067301) is labeled by Heritage Pharmaceuticals Inc., and CMS classifies it as a generic product.
Related Drugs
Same classification