Product Information
THEOPHYLLINE ER 450 MG TABLET is a generic product labeled by Sun Pharmaceutical Industries Inc., priced at $1.1149 per EA under NDC 70095001801. Its NADAC has been published 50 times since Mar 19, 2025.
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
450 mg/1
Manufacturer
Sun Pharmaceutical Industries Inc.NDC
70095001801
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
2/18/2026
Active Ingredients
THEOPHYLLINE ANHYDROUSApproval Type
Generic (ANDA)
FDA Application
ANDA214806On Market Since
3/22/2024
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 450 MG TABLET has been published 50 times since Mar 19, 2025, and over the history we have for it it has declined 41.7%. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.1149 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 | $1.1638 |
| Average price | $1.2296 |
| Largest weekly change | +45.0% (Dec 17, 2025) |
| Weeks tracked | 50 |
| Tracking since | Mar 19, 2025 |
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). Switching to the cheapest would cut per-unit acquisition cost by roughly 12% at current NADAC. 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 Sun Pharmaceutical Industries Inc., is $1.1149 per EA (NDC 70095001801), effective Feb 25, 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 declined 41.7%. It has been tracked across 50 weekly CMS publications since Mar 19, 2025.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 450 MG TABLET?
Since Mar 19, 2025, 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 $1.1638 per EA.
Are there cheaper alternatives to THEOPHYLLINE ER 450 MG TABLET?
Yes. 7 NADAC-published products share the same active ingredient, strength, and dosage form. The lowest-priced option, THEOPHYLLINE ER 450 MG TABLET, is $0.9799 per EA — about 12% below THEOPHYLLINE ER 450 MG TABLET.
Who manufactures THEOPHYLLINE ER 450 MG TABLET?
THEOPHYLLINE ER 450 MG TABLET (NDC 70095001801) is labeled by Sun Pharmaceutical Industries Inc., and CMS classifies it as a generic product.
Related Drugs
Same classification