Product Information

DIFLUNISAL 500 MG TABLET is a generic product labeled by Teva Pharmaceuticals USA Inc., priced at $1.0427 per EA under NDC 00093922205. Its NADAC has been published 200 times since Oct 26, 2022.

FDA first approved this application on Jul 31, 1992. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

DIFLUNISAL 500 MG TABLET

Diflunisal
$1.0427per EA

Strength

500 mg/1

NDC

00093922205

Classification

Generic

Dosage Form

TABLET, FILM COATED

Route

ORAL

Effective Date

8/19/2026

Active Ingredients

DIFLUNISAL

Approval Type

Generic (ANDA)

FDA Application

ANDA073673

FDA Approved

7/31/1992

TE Code

AB

On Market Since

6/30/2021

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 200 times since Oct 26, 2022, and over the history we have for it it has declined 8.4%. The table below summarizes its recorded NADAC range and movement.

Current price$1.0427 per EA
All-time high$1.2455 (Apr 10, 2024)
All-time low$0.8327 (Dec 21, 2022)
52-week high$1.1995
52-week low$1.0380
Median price$1.0318
Average price$1.0465
Largest weekly change-29.8% (Dec 21, 2022)
Weeks tracked200
Tracking sinceOct 26, 2022

Price History

1W

+0.4%

1M

+0.4%

3M

-6.3%

6M

-13.1%

1Y

-1.6%

3Y

+8.0%

5Y

N/A

All

-8.4%

Generic Alternatives

The matcher finds 2 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 DIFLUNISAL 500 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for DIFLUNISAL 500 MG TABLET, manufactured by Teva Pharmaceuticals USA Inc., is $1.0427 per EA (NDC 00093922205), effective Aug 19, 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 8.4%. It has been tracked across 200 weekly CMS publications since Oct 26, 2022.

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

Since Oct 26, 2022, the NADAC for DIFLUNISAL 500 MG TABLET has ranged from a low of $0.8327 (Dec 21, 2022) to a high of $1.2455 (Apr 10, 2024), with a median of $1.0318 per EA.

Are there cheaper alternatives to DIFLUNISAL 500 MG TABLET?

2 manufacturers publish a NADAC-priced product with the same active ingredient and strength as DIFLUNISAL 500 MG TABLET in a comparable dosage form, but none are currently priced below it.

Who manufactures DIFLUNISAL 500 MG TABLET?

DIFLUNISAL 500 MG TABLET (NDC 00093922205) is labeled by Teva Pharmaceuticals USA Inc., and CMS classifies it as a generic product.