Data / Drug companies / Theophylline anhydrous
Theophylline anhydrous: 3 companies and 8 products in the FDA NDC directory
Updated November 6, 2026. Source: US Food and Drug Administration, National Drug Code Directory (openFDA).
Theophylline anhydrous is listed in the FDA National Drug Code Directory by 3 companies, with 8 products in commercial distribution. 8 of the products (100.0%) are marketed under an abbreviated new drug application (ANDA), the generic route. The most common dosage forms are capsule, extended release; tablet, extended release, and the newest product started marketing on November 25, 2025.
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- Companies listing it
- 3
- Products
- 8
- Generic (ANDA) products
- 8 (100.0%)
- Application numbers
- 5
- Routes
- Oral
- Brand names
- Theo-24, Theophylline (Anhydrous)
- openFDA record search
- api.fda.gov
Companies that list theophylline anhydrous
Ranked by number of products. Finished drugs in commercial distribution.
| Company | Products | Main dosage forms | Main marketing category | Newest product started |
|---|---|---|---|---|
| Endo USA, Inc. | 4 | capsule, extended release | Generic drugs (ANDA) | August 25, 2014 |
| Proficient Rx LP | 2 | tablet, extended release | Generic drugs (ANDA) | November 25, 2025 |
| Westminster Pharmaceuticals, LLC | 2 | tablet, extended release | Generic drugs (ANDA) | November 25, 2025 |
Dosage forms
| Dosage form | Products | Share |
|---|---|---|
| Capsule, extended release | 4 | 50% |
| Tablet, extended release | 4 | 50% |
Marketing categories
| Marketing category | Products | Share |
|---|---|---|
| Generic drugs (ANDA) | 8 | 100% |
Pharmacologic classes
| Class | Products |
|---|---|
| Methylxanthine | 8 |
CC0 1.0 public domain dedication (openFDA). Counts are products in the FDA National Drug Code Directory on November 6, 2026: 138,262 products in commercial distribution, meaning without a marketing end date in the past. A company is a labeler code; one company can hold several codes, and the directory carries no address. Inclusion in the directory is not FDA approval, and the marketing category says under which kind of application or rule a product is sold. This page uses openFDA data and is not endorsed or certified by FDA. Free to reuse with credit to SpecStream under CC BY 4.0. Spot a wrong value? Write to [email protected] with the link to this page.