Product Information
THEOPHYLLINE ER 300 MG TABLET is a generic product labeled by Sun Pharmaceutical Industries Inc., priced at $0.3422 per EA under NDC 70095001701. Its NADAC has been published 107 times since Aug 7, 2024.
FDA first approved this application on Oct 24, 2023. Its Orange Book therapeutic-equivalence code is AB — FDA rates it therapeutically equivalent to (substitutable for) its reference product.
The High Outlier badge above means this manufacturer's average price in the Theophylline market falls above Q3 + 1.5·IQR across all competing manufacturers. We only apply this flag in markets with four or more competitors. Full definition: glossary → outlier.
Strength
300 mg/1
Manufacturer
Sun Pharmaceutical Industries Inc.NDC
70095001701
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
8/19/2026
Active Ingredients
THEOPHYLLINE ANHYDROUSApproval Type
Generic (ANDA)
FDA Application
ANDA214806FDA Approved
10/24/2023
TE Code
AB
On Market Since
3/22/2024
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 300 MG TABLET has been published 107 times since Aug 7, 2024, and over the history we have for it it has declined 45.6%. 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 | $0.5081 |
| Average price | $0.5722 |
| Largest weekly change | +88.5% (Aug 21, 2024) |
| Weeks tracked | 107 |
| Tracking since | Aug 7, 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 Sun Pharmaceutical Industries Inc., is $0.3422 per EA (NDC 70095001701), 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 45.6%. It has been tracked across 107 weekly CMS publications since Aug 7, 2024.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 300 MG TABLET?
Since Aug 7, 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 $0.5081 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 70095001701) is labeled by Sun Pharmaceutical Industries Inc., and CMS classifies it as a generic product.