Product Information
THEOPHYLLINE ER 600 MG TABLET is a generic product labeled by Glenmark Pharmaceuticals Inc., USA, priced at $1.3952 per EA under NDC 68462035601. Its NADAC has been published 580 times since Nov 28, 2013.
FDA first approved this application on Jul 13, 2010. 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
600 mg/1
Manufacturer
Glenmark Pharmaceuticals Inc., USANDC
68462035601
Classification
Generic
Dosage Form
TABLET, EXTENDED RELEASE
Route
ORAL
Effective Date
11/19/2025
Active Ingredients
THEOPHYLLINE ANHYDROUSApproval Type
Generic (ANDA)
FDA Application
ANDA090355FDA Approved
7/13/2010
TE Code
AB
On Market Since
7/13/2010
Pharmacological Classes
Price Statistics
The NADAC for THEOPHYLLINE ER 600 MG TABLET has been published 580 times since Nov 28, 2013, and over the history we have for it it has held within roughly two percent of its current level. The table below summarizes its recorded NADAC range and movement.
| Current price | $1.3952 per EA |
|---|---|
| All-time high | $1.5457 (Feb 12, 2014) |
| All-time low | $0.8130 (Oct 21, 2020) |
| 52-week high | $1.3952 |
| 52-week low | $1.1507 |
| Median price | $1.3129 |
| Average price | $1.2638 |
| Largest weekly change | +74.3% (Dec 16, 2020) |
| Weeks tracked | 580 |
| Tracking since | Nov 28, 2013 |
Generic Alternatives
No other NADAC-published product shares this drug's active ingredient and strength in a comparable dosage form. Compare the broader picture on the Theophylline market page.
Lowest-Cost Alternatives
No alternatives available
Related Drugs
Same classification
Frequently asked questions
What is the NADAC price of THEOPHYLLINE ER 600 MG TABLET?
The current National Average Drug Acquisition Cost (NADAC) for THEOPHYLLINE ER 600 MG TABLET, manufactured by Glenmark Pharmaceuticals Inc., USA, is $1.3952 per EA (NDC 68462035601), effective Aug 19, 2026.
How has the price of THEOPHYLLINE ER 600 MG TABLET changed over time?
Over the history we have for it, the NADAC for THEOPHYLLINE ER 600 MG TABLET has held within roughly two percent of its current level. It has been tracked across 580 weekly CMS publications since Nov 28, 2013.
What are the highest and lowest recorded NADAC prices for THEOPHYLLINE ER 600 MG TABLET?
Since Nov 28, 2013, the NADAC for THEOPHYLLINE ER 600 MG TABLET has ranged from a low of $0.8130 (Oct 21, 2020) to a high of $1.5457 (Feb 12, 2014), with a median of $1.3129 per EA.
Are there cheaper alternatives to THEOPHYLLINE ER 600 MG TABLET?
No other NADAC-published product currently shares the active ingredient and strength of THEOPHYLLINE ER 600 MG TABLET in a comparable dosage form, so no direct lower-cost alternative is listed.
Who manufactures THEOPHYLLINE ER 600 MG TABLET?
THEOPHYLLINE ER 600 MG TABLET (NDC 68462035601) is labeled by Glenmark Pharmaceuticals Inc., USA, and CMS classifies it as a generic product.