Product Information
THEOPHYLLINE ER 450 MG TABLET is a generic product labeled by Alembic Pharmaceuticals Inc., priced at $0.9799 per EA under NDC 62332002631. Its NADAC has been published 82 times since Mar 30, 2016.
Strength
450 mg/1
Manufacturer
Alembic Pharmaceuticals Inc.NDC
62332002631
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
THEOPHYLLINE ANHYDROUSApproval Type
Generic (ANDA)
FDA Application
ANDA090430On Market Since
1/29/2016
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 450 MG TABLET has been published 82 times since Mar 30, 2016, and over the history we have for it it has risen 60.9%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.9799 per EA |
|---|---|
| All-time high | $1.9133 (Apr 16, 2025) |
| All-time low | $0.5902 (Nov 19, 2025) |
| 52-week high | $1.4468 |
| 52-week low | $0.5902 |
| Median price | $1.0376 |
| Average price | $1.0795 |
| Largest weekly change | +214.2% (Mar 19, 2025) |
| Weeks tracked | 82 |
| Tracking since | Mar 30, 2016 |
Generic Alternatives
The matcher finds 7 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 7 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 450 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for THEOPHYLLINE ER 450 MG TABLET, manufactured by Alembic Pharmaceuticals Inc., is $0.9799 per EA (NDC 62332002631), effective Jun 24, 2026.
How has the price of THEOPHYLLINE ER 450 MG TABLET changed over time?
Over the history we have for it, the NADAC for THEOPHYLLINE ER 450 MG TABLET has risen 60.9%. It has been tracked across 82 weekly CMS publications since Mar 30, 2016.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 450 MG TABLET?
Since Mar 30, 2016, the NADAC for THEOPHYLLINE ER 450 MG TABLET has ranged from a low of $0.5902 (Nov 19, 2025) to a high of $1.9133 (Apr 16, 2025), with a median of $1.0376 per EA.
Are there cheaper alternatives to THEOPHYLLINE ER 450 MG TABLET?
7 NADAC-published products share the same active ingredient, strength, and dosage form as THEOPHYLLINE ER 450 MG TABLET, but none are currently priced below it.
Who manufactures THEOPHYLLINE ER 450 MG TABLET?
THEOPHYLLINE ER 450 MG TABLET (NDC 62332002631) is labeled by Alembic Pharmaceuticals Inc., and CMS classifies it as a generic product.
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