Product Information
THEOPHYLLINE ER 400 MG TABLET is a generic product labeled by Glenmark Pharmaceuticals Inc., USA, priced at $0.9576 per EA under NDC 68462038001. Its NADAC has been published 567 times since Nov 28, 2013.
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
400 mg/1
Manufacturer
Glenmark Pharmaceuticals Inc., USANDC
68462038001
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Last Updated
6/17/2026
Active Ingredients
THEOPHYLLINE ANHYDROUSApproval Type
Generic (ANDA)
FDA Application
ANDA090355On Market Since
7/13/2010
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 400 MG TABLET has been published 567 times since Nov 28, 2013, and over the history we have for it it has risen 5.1%. The table below summarizes its recorded NADAC range and movement.
| Current price | $0.9576 per EA |
|---|---|
| All-time high | $1.0435 (Feb 12, 2014) |
| All-time low | $0.4646 (Nov 22, 2023) |
| 52-week high | $1.0376 |
| 52-week low | $0.7626 |
| Median price | $0.8260 |
| Average price | $0.8064 |
| Largest weekly change | +49.2% (Jan 17, 2024) |
| Weeks tracked | 567 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
The matcher finds 1 NADAC-published product sharing this drug's active ingredient, strength, and dosage form across 1 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.
Frequently asked questions
What is the NADAC price of THEOPHYLLINE ER 400 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for THEOPHYLLINE ER 400 MG TABLET, manufactured by Glenmark Pharmaceuticals Inc., USA, is $0.9576 per EA (NDC 68462038001), effective Jun 24, 2026.
How has the price of THEOPHYLLINE ER 400 MG TABLET changed over time?
Over the history we have for it, the NADAC for THEOPHYLLINE ER 400 MG TABLET has risen 5.1%. It has been tracked across 567 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 400 MG TABLET?
Since Nov 28, 2013, the NADAC for THEOPHYLLINE ER 400 MG TABLET has ranged from a low of $0.4646 (Nov 22, 2023) to a high of $1.0435 (Feb 12, 2014), with a median of $0.8260 per EA.
Are there cheaper alternatives to THEOPHYLLINE ER 400 MG TABLET?
1 NADAC-published product shares the same active ingredient, strength, and dosage form as THEOPHYLLINE ER 400 MG TABLET, but none are currently priced below it.
Who manufactures THEOPHYLLINE ER 400 MG TABLET?
THEOPHYLLINE ER 400 MG TABLET (NDC 68462038001) is labeled by Glenmark Pharmaceuticals Inc., USA, and CMS classifies it as a generic product.
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