Product Information
ERY-TAB DR 500 MG TABLET is a generic product labeled by Arbor Pharmaceuticals, Inc., priced at $2.9638 per EA under NDC 24338012603. Its NADAC has been published 260 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.
Strength
500 mg/1
Manufacturer
Arbor Pharmaceuticals, Inc.NDC
24338012603
Classification
Generic
Dosage Form
TABLET, DELAYED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
ERYTHROMYCINApproval Type
Generic (ANDA)
FDA Application
ANDA062298FDA Approved
Before 1982
TE Code
AB
On Market Since
4/18/2011
Pharmacological Classes
Price Statistics
The NADAC for ERY-TAB DR 500 MG TABLET has been published 260 times since Feb 7, 2018, and over the history we have for it it has declined 67.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $2.9638 per EA |
|---|---|
| All-time high | $11.0273 (Mar 13, 2019) |
| All-time low | $2.9231 (Jun 17, 2026) |
| 52-week high | $3.8964 |
| 52-week low | $2.9231 |
| Median price | $4.8465 |
| Average price | $5.8283 |
| Largest weekly change | -42.2% (May 18, 2022) |
| Weeks tracked | 260 |
| Tracking since | Feb 7, 2018 |
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 13% at current NADAC. 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 ERY-TAB DR 500 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for ERY-TAB DR 500 MG TABLET, manufactured by Arbor Pharmaceuticals, Inc., is $2.9638 per EA (NDC 24338012603), effective Aug 19, 2026.
How has the price of ERY-TAB DR 500 MG TABLET changed over time?
Over the history we have for it, the NADAC for ERY-TAB DR 500 MG TABLET has declined 67.8%. It has been tracked across 260 weekly CMS publications since Feb 7, 2018.
What are the highest and lowest recorded NADAC prices for ERY-TAB DR 500 MG TABLET?
Since Feb 7, 2018, the NADAC for ERY-TAB DR 500 MG TABLET has ranged from a low of $2.9231 (Jun 17, 2026) to a high of $11.0273 (Mar 13, 2019), with a median of $4.8465 per EA.
Are there cheaper alternatives to ERY-TAB DR 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 13% below ERY-TAB DR 500 MG TABLET.
Who manufactures ERY-TAB DR 500 MG TABLET?
ERY-TAB DR 500 MG TABLET (NDC 24338012603) is labeled by Arbor Pharmaceuticals, Inc., and CMS classifies it as a generic product.