Product Information

ERYTHROMYCIN 500 MG TABLET is a generic product labeled by Arbor Pharmaceuticals, Inc., priced at $3.0014 per EA under NDC 24338010403. Its NADAC has been published 394 times since Feb 7, 2018.

FDA first approved this application before 1982. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.

ERYTHROMYCIN 500 MG TABLET

Erythromycin
$3.0014per EA

Strength

500 mg/1

NDC

24338010403

Classification

Generic

Dosage Form

TABLET, FILM COATED

Route

ORAL

Effective Date

8/20/2025

Active Ingredients

ERYTHROMYCIN

Approval Type

Generic (ANDA)

FDA Application

ANDA061621

FDA Approved

Before 1982

TE Code

AB

On Market Since

9/6/2011

Pharmacological Classes

Decreased Sebaceous Gland Activity
Macrolide Antimicrobial
Macrolide
Macrolides

Price Statistics

The NADAC for ERYTHROMYCIN 500 MG TABLET has been published 394 times since Feb 7, 2018, and over the history we have for it it has declined 80.3%. The table below summarizes its recorded NADAC range and movement.

Current price$3.0014 per EA
All-time high$15.7744 (Dec 12, 2018)
All-time low$2.0242 (Aug 21, 2024)
Median price$13.2213
Average price$10.7652
Largest weekly change+40.9% (Nov 20, 2024)
Weeks tracked394
Tracking sinceFeb 7, 2018

Price History

1W

N/A

1M

N/A

3M

N/A

6M

N/A

1Y

N/A

3Y

-66.6%

5Y

-77.3%

All

-80.3%

Last surveyed Aug 20, 2025 — this NDC no longer appears in the current weekly NADAC file.

Generic Alternatives

The matcher finds 6 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). Switching to the cheapest would cut per-unit acquisition cost by roughly 14% at current NADAC. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Frequently asked questions

What is the NADAC price of ERYTHROMYCIN 500 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for ERYTHROMYCIN 500 MG TABLET, manufactured by Arbor Pharmaceuticals, Inc., is $3.0014 per EA (NDC 24338010403), effective Aug 20, 2025.

How has the price of ERYTHROMYCIN 500 MG TABLET changed over time?

Over the history we have for it, the NADAC for ERYTHROMYCIN 500 MG TABLET has declined 80.3%. It has been tracked across 394 weekly CMS publications since Feb 7, 2018.

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

Since Feb 7, 2018, the NADAC for ERYTHROMYCIN 500 MG TABLET has ranged from a low of $2.0242 (Aug 21, 2024) to a high of $15.7744 (Dec 12, 2018), with a median of $13.2213 per EA.

Are there cheaper alternatives to ERYTHROMYCIN 500 MG TABLET?

Yes. 6 manufacturers publish a NADAC-priced product with the same active ingredient and strength in a comparable dosage form. The lowest-priced option, ERYTHROMYCIN 500 MG TABLET, is $2.5871 per EA — about 14% below ERYTHROMYCIN 500 MG TABLET.

Who manufactures ERYTHROMYCIN 500 MG TABLET?

ERYTHROMYCIN 500 MG TABLET (NDC 24338010403) is labeled by Arbor Pharmaceuticals, Inc., and CMS classifies it as a generic product.