Product Information
THEOPHYLLINE ER 300 MG TABLET is a generic product labeled by Viona Pharmaceuticals Inc., priced at $0.3422 per EA under NDC 72578017301. Its NADAC has been published 98 times since Oct 9, 2024.
FDA first approved this application on May 21, 2024. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
Strength
300 mg/1
Manufacturer
Viona Pharmaceuticals Inc.NDC
72578017301
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
THEOPHYLLINE ANHYDROUSApproval Type
Generic (ANDA)
FDA Application
ANDA218063FDA Approved
5/21/2024
TE Code
AB
On Market Since
5/25/2024
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 300 MG TABLET has been published 98 times since Oct 9, 2024, and over the history we have for it it has declined 74.8%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3422 per EA |
|---|---|
| All-time high | $1.3578 (Oct 16, 2024) |
| All-time low | $0.3196 (May 20, 2026) |
| 52-week high | $0.5576 |
| 52-week low | $0.3196 |
| Median price | $0.4992 |
| Average price | $0.5219 |
| Largest weekly change | -44.1% (Nov 20, 2024) |
| Weeks tracked | 98 |
| Tracking since | Oct 9, 2024 |
Generic Alternatives
The matcher finds 9 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.
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of THEOPHYLLINE ER 300 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for THEOPHYLLINE ER 300 MG TABLET, manufactured by Viona Pharmaceuticals Inc., is $0.3422 per EA (NDC 72578017301), effective Aug 19, 2026.
How has the price of THEOPHYLLINE ER 300 MG TABLET changed over time?
Over the history we have for it, the NADAC for THEOPHYLLINE ER 300 MG TABLET has declined 74.8%. It has been tracked across 98 weekly CMS publications since Oct 9, 2024.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 300 MG TABLET?
Since Oct 9, 2024, the NADAC for THEOPHYLLINE ER 300 MG TABLET has ranged from a low of $0.3196 (May 20, 2026) to a high of $1.3578 (Oct 16, 2024), with a median of $0.4992 per EA.
Are there cheaper alternatives to THEOPHYLLINE ER 300 MG TABLET?
9 manufacturers publish a NADAC-priced product with the same active ingredient and strength as THEOPHYLLINE ER 300 MG TABLET in a comparable dosage form, but none are currently priced below it.
Who manufactures THEOPHYLLINE ER 300 MG TABLET?
THEOPHYLLINE ER 300 MG TABLET (NDC 72578017301) is labeled by Viona Pharmaceuticals Inc., and CMS classifies it as a generic product.