Product Information

DIFLUNISAL 500 MG TABLET is a generic product labeled by Heritage Pharmaceuticals Inc., priced at $1.0614 per EA under NDC 14539067306. Its NADAC has been published 348 times since Sep 11, 2019.

DIFLUNISAL 500 MG TABLET

diflunisal
$1.0614per EA

Strength

500 mg/1

NDC

14539067306

Classification

Generic

Dosage Form

TABLET, FILM COATED

Route

ORAL

Last Updated

6/17/2026

Active Ingredients

DIFLUNISAL

Approval Type

Generic (ANDA)

FDA Application

ANDA202845

On Market Since

3/8/2012

Pharmacological Classes

Anti-Inflammatory Agents
Non-Steroidal
Cyclooxygenase Inhibitors
Nonsteroidal Anti-inflammatory Drug

Price Statistics

The NADAC for DIFLUNISAL 500 MG TABLET has been published 348 times since Sep 11, 2019, and over the history we have for it it has declined 13.9%. 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$1.0986
Average price$1.1013
Largest weekly change-29.8% (Dec 21, 2022)
Weeks tracked348
Tracking sinceSep 11, 2019

Price History

1W

0.0%

1M

-4.6%

3M

-10.5%

6M

-9.5%

1Y

+4.1%

3Y

-3.2%

5Y

-18.2%

All

-13.9%

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 14539067306), 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 13.9%. It has been tracked across 348 weekly CMS publications since Sep 11, 2019.

What are the highest and lowest recorded NADAC prices for DIFLUNISAL 500 MG TABLET?

Since Sep 11, 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 $1.0986 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 14539067306) is labeled by Heritage Pharmaceuticals Inc., and CMS classifies it as a generic product.