Product Information
THEOPHYLLINE ER 300 MG TABLET is a generic product labeled by Teva Pharmaceuticals USA Inc., priced at $0.3324 per EA under NDC 00480331001. Its NADAC has been published 172 times since Mar 15, 2023.
Strength
300 mg/1
Manufacturer
Teva Pharmaceuticals USA Inc.NDC
00480331001
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
THEOPHYLLINEApproval Type
Generic (ANDA)
FDA Application
ANDA216961On Market Since
1/27/2023
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 300 MG TABLET has been published 172 times since Mar 15, 2023, and over the history we have for it it has declined 86.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.3324 per EA |
|---|---|
| All-time high | $2.6814 (Jun 14, 2023) |
| All-time low | $0.3196 (May 20, 2026) |
| 52-week high | $0.6132 |
| 52-week low | $0.3196 |
| Median price | $0.6814 |
| Average price | $1.0973 |
| Largest weekly change | +88.5% (Aug 21, 2024) |
| Weeks tracked | 172 |
| Tracking since | Mar 15, 2023 |
Generic Alternatives
The matcher finds 9 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 9 manufacturers (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 THEOPHYLLINE ER 300 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for THEOPHYLLINE ER 300 MG TABLET, manufactured by Teva Pharmaceuticals USA Inc., is $0.3324 per EA (NDC 00480331001), effective Jun 24, 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 86.9%. It has been tracked across 172 weekly CMS publications since Mar 15, 2023.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 300 MG TABLET?
Since Mar 15, 2023, the NADAC for THEOPHYLLINE ER 300 MG TABLET has ranged from a low of $0.3196 (May 20, 2026) to a high of $2.6814 (Jun 14, 2023), with a median of $0.6814 per EA.
Are there cheaper alternatives to THEOPHYLLINE ER 300 MG TABLET?
9 NADAC-published products share the same active ingredient, strength, and dosage form as THEOPHYLLINE ER 300 MG TABLET, but none are currently priced below it.
Who manufactures THEOPHYLLINE ER 300 MG TABLET?
THEOPHYLLINE ER 300 MG TABLET (NDC 00480331001) is labeled by Teva Pharmaceuticals USA Inc., and CMS classifies it as a generic product.
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