Product Information
ERYTHROMYCIN 500 MG TABLET is a generic product labeled by Zydus Pharmaceuticals (USA) Inc., priced at $2.5104 per EA under NDC 70710104801. Its NADAC has been published 119 times since Jun 26, 2024.
FDA first approved this application on Mar 7, 2023. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
500 mg/1
Manufacturer
Zydus Pharmaceuticals (USA) Inc.NDC
70710104801
Classification
Generic
Dosage Form
TABLET, FILM COATED
Route
ORAL
Effective Date
9/23/2026
Active Ingredients
ERYTHROMYCINApproval Type
Generic (ANDA)
FDA Application
ANDA212693FDA Approved
3/7/2023
TE Code
AB
On Market Since
6/30/2023
Pharmacological Classes
Price Statistics
The NADAC for ERYTHROMYCIN 500 MG TABLET has been published 119 times since Jun 26, 2024, and over the history we have for it it has declined 5.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $2.5104 per EA |
|---|---|
| All-time high | $3.0999 (Aug 13, 2025) |
| All-time low | $2.0242 (Aug 21, 2024) |
| 52-week high | $2.9195 |
| 52-week low | $2.5104 |
| Median price | $2.8288 |
| Average price | $2.7503 |
| Largest weekly change | +40.9% (Nov 20, 2024) |
| Weeks tracked | 119 |
| Tracking since | Jun 26, 2024 |
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). 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.
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Same classification
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Manufacturer
Zydus Pharmaceuticals (USA) Inc. manufacturer profile
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Drug market
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Therapeutic class
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Trend hub
Latest market trends
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Guide
Understanding NADAC pricing
Use the explainer when you need context on how CMS publishes NADAC and how to interpret the number on this page.
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 Zydus Pharmaceuticals (USA) Inc., is $2.5104 per EA (NDC 70710104801), effective Sep 30, 2026.
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 5.8%. It has been tracked across 119 weekly CMS publications since Jun 26, 2024.
What are the highest and lowest recorded NADAC prices for ERYTHROMYCIN 500 MG TABLET?
Since Jun 26, 2024, the NADAC for ERYTHROMYCIN 500 MG TABLET has ranged from a low of $2.0242 (Aug 21, 2024) to a high of $3.0999 (Aug 13, 2025), with a median of $2.8288 per EA.
Are there cheaper alternatives to ERYTHROMYCIN 500 MG TABLET?
6 manufacturers publish a NADAC-priced product with the same active ingredient and strength as ERYTHROMYCIN 500 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures ERYTHROMYCIN 500 MG TABLET?
ERYTHROMYCIN 500 MG TABLET (NDC 70710104801) is labeled by Zydus Pharmaceuticals (USA) Inc., and CMS classifies it as a generic product.