Data / Drug companies / Xanthine Oxidase Inhibitor
Xanthine Oxidase Inhibitor drugs: 5 drugs from 69 companies in the FDA NDC directory
Xanthine Oxidase Inhibitor is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 220 products in this class from 69 companies, covering 5 drugs by generic name. The main marketing category is generic drugs (ANDA), and the newest product started marketing on October 6, 2026.
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- 69Companies
- 220Products
- 5Drugs by generic name
Drugs in the Xanthine Oxidase Inhibitor class
Ranked by number of companies that list the drug.
| Drug | Products here | Companies listing it |
|---|---|---|
| Allopurinol | 174 | 54 |
| Febuxostat | 43 | 22 |
| Allopurinol sodium | 1 | 1 |
| Febuxostat tablets 40 mg | 1 | 1 |
| Febuxostat tablets 80 mg | 1 | 1 |
Companies with the most products in this class
| Company | Products | Main dosage forms | Main marketing category | Newest product started |
|---|---|---|---|---|
| A-S Medication Solutions | 17 | tablet | Generic drugs (ANDA) | October 31, 2023 |
| Bryant Ranch Prepack | 14 | tablet | Generic drugs (ANDA) | May 1, 2024 |
| Aphena Pharma Solutions - Tennessee, LLC | 10 | tablet; tablet, film coated | Generic drugs (ANDA) | May 1, 2024 |
| Preferred Pharmaceuticals Inc. | 9 | tablet | Generic drugs (ANDA) | September 22, 2025 |
| Remedyrepack Inc. | 9 | tablet | Generic drugs (ANDA) | July 7, 2026 |
| NuCare Pharmaceuticals,Inc. | 8 | tablet; tablet, film coated | Generic drugs (ANDA) | May 1, 2024 |
| Northwind Health Company, LLC | 6 | tablet | Generic drugs (ANDA) | June 8, 2023 |
| Cardinal Health 107, LLC | 5 | tablet | Generic drugs (ANDA) | July 24, 2026 |
| Zydus Lifesciences Limited | 5 | tablet | Generic drugs (ANDA) | June 17, 2025 |
| Aurobindo Pharma Limited | 4 | tablet | Generic drugs (ANDA) | April 14, 2025 |
| Bryant Ranch Prepack | 4 | tablet | Generic drugs (ANDA) | April 6, 2009 |
| Coupler LLC | 4 | tablet | Generic drugs (ANDA) | February 4, 2026 |
| Dr. Reddy's Laboratories Limited | 4 | tablet | Generic drugs (ANDA) | November 25, 2020 |
| Major Pharmaceuticals | 4 | tablet; tablet, film coated | Generic drugs (ANDA) | December 30, 2019 |
| NorthStar Rx LLC | 4 | tablet; tablet, film coated | Generic drugs (ANDA) | July 1, 2022 |
| PD-Rx Pharmaceuticals, Inc. | 4 | tablet | Generic drugs (ANDA) | January 9, 1987 |
| St. Mary's Medical Park Pharmacy | 4 | tablet | Generic drugs (ANDA) | May 1, 2024 |
| Advanced Rx of Tennessee, LLC | 3 | tablet | Generic drugs (ANDA) | May 29, 2025 |
| American Health Packaging | 3 | tablet; tablet, film coated | Generic drugs (ANDA) | December 9, 2022 |
| Direct_Rx | 3 | tablet | Generic drugs (ANDA) | October 30, 2025 |
| Florida Pharmaceutical Products, LLC | 3 | tablet | Generic drugs (ANDA) | May 22, 2025 |
| Indoco Remedies Limited | 3 | tablet | Generic drugs (ANDA) | May 15, 2024 |
| Leading Pharma, LLC | 3 | tablet | Generic drugs (ANDA) | September 1, 2024 |
| Proficient Rx LP | 3 | tablet | Generic drugs (ANDA) | April 29, 2015 |
| Rising Pharma Holdings, Inc. | 3 | tablet | Authorized generics (NDA) | September 21, 2023 |
| Zydus Pharmaceuticals USA Inc. | 3 | tablet | Generic drugs (ANDA) | June 17, 2025 |
| Accord Healthcare Inc. | 2 | tablet | Generic drugs (ANDA) | April 29, 2015 |
| Actavis Pharma, Inc. | 2 | tablet | New drug applications (NDA) | April 6, 2009 |
| Alembic Pharmaceuticals Inc. | 2 | tablet, coated | Generic drugs (ANDA) | July 1, 2019 |
| Alembic Pharmaceuticals Limited | 2 | tablet, coated | Generic drugs (ANDA) | July 1, 2019 |
| Aphena Pharma Solutions - Tennessee, LLC | 2 | tablet | Generic drugs (ANDA) | April 6, 2009 |
| Aphena Pharma Solutions - Tennessee, LLC | 2 | tablet | Generic drugs (ANDA) | January 8, 2026 |
| Ascend Laboratories, LLC | 2 | tablet, film coated | Generic drugs (ANDA) | December 8, 2021 |
| AvPAK | 2 | tablet | Generic drugs (ANDA) | October 6, 2026 |
| Bryant Ranch Prepack | 2 | tablet | Generic drugs (ANDA) | June 27, 2003 |
| Camber Pharmaceuticals, Inc. | 2 | tablet | Generic drugs (ANDA) | August 3, 2023 |
| Chartwell RX, LLC | 2 | tablet | Generic drugs (ANDA) | May 11, 2006 |
| Cranbury Pharmaceuticals, LLC | 2 | tablet | Generic drugs (ANDA) | September 28, 2020 |
| Golden State Medical Supply, Inc. | 2 | tablet | Generic drugs (ANDA) | October 15, 2019 |
| Harman Finochem Limited | 2 | tablet | Generic drugs (ANDA) | October 6, 2023 |
| Hec Pharm USA Inc. | 2 | tablet | Generic drugs (ANDA) | April 10, 2026 |
| Heritage Pharmaceuticals Inc. D/B/A Avet Pharmaceuticals Inc. | 2 | tablet | Generic drugs (ANDA) | September 22, 2020 |
| Hikma Pharmaceuticals USA Inc. | 2 | tablet | Generic drugs (ANDA) | November 11, 2019 |
| Lannett Company, Inc. | 2 | tablet | Generic drugs (ANDA) | June 2, 2020 |
| Macleods Pharmaceuticals Limited | 2 | film | Generic drugs (ANDA) | April 4, 2019 |
| Mylan Institutional Inc. | 2 | tablet | Generic drugs (ANDA) | April 29, 1997 |
| Mylan Pharmaceuticals Inc. | 2 | tablet | Generic drugs (ANDA) | October 24, 1986 |
| NCS HealthCare of Ky, LLC DBA Vangard Labs | 2 | tablet | Generic drugs (ANDA) | June 27, 2003 |
| Novadoz Pharmaceuticals LLC | 2 | tablet, film coated | Generic drugs (ANDA) | December 30, 2019 |
| PD-Rx Pharmaceuticals, Inc. | 2 | tablet | Generic drugs (ANDA) | April 14, 2025 |
| Par Health USA, LLC | 2 | tablet | Generic drugs (ANDA) | June 27, 2003 |
| Proficient Rx LP | 2 | tablet | New drug applications (NDA) | April 6, 2009 |
| Safecor Health, LLC | 2 | tablet | Generic drugs (ANDA) | March 19, 2026 |
| Solco Healthcare US, LLC | 2 | tablet | Generic drugs (ANDA) | August 1, 2023 |
| Sportpharm LLC | 2 | tablet | Generic drugs (ANDA) | April 14, 2025 |
| Sun Pharmaceutical Industries, Inc. | 2 | tablet, film coated | Generic drugs (ANDA) | July 5, 2019 |
| Sun Pharmaceutical Industries, Inc. | 2 | tablet | Generic drugs (ANDA) | January 9, 1987 |
| Takeda Pharmaceuticals America, Inc. | 2 | tablet | New drug applications (NDA) | February 13, 2009 |
| Unichem Pharmaceuticals (USA), Inc. | 2 | tablet | Generic drugs (ANDA) | March 12, 2019 |
| Viona Pharmaceuticals Inc | 2 | tablet | Generic drugs (ANDA) | March 31, 2023 |
| XLCare Pharmaceuticals, Inc. | 2 | tablet | Generic drugs (ANDA) | January 8, 2026 |
| Aphena Pharma Solutions - Tennessee, LLC | 1 | tablet | Generic drugs (ANDA) | October 24, 1986 |
| Fresenius Kabi USA, LLC | 1 | injection, powder, lyophilized, for solution | Generic drugs (ANDA) | March 14, 2022 |
| Gland Pharma Limited | 1 | injection, powder, lyophilized, for solution | Generic drugs (ANDA) | January 26, 2022 |
| Hikma Pharmaceuticals USA Inc. | 1 | injection, powder, lyophilized, for solution | Generic drugs (ANDA) | September 1, 2004 |
| Mylan Institutional LLC | 1 | injection, powder, lyophilized, for solution | New drug applications (NDA) | May 15, 2007 |
| Northwind Health Company, LLC | 1 | tablet | Generic drugs (ANDA) | January 12, 2026 |
| NuCare Pharmaceuticals, Inc. | 1 | tablet | Generic drugs (ANDA) | April 29, 2015 |
| Redpharm Drug | 1 | tablet | Generic drugs (ANDA) | September 22, 2020 |
Dosage forms
| Dosage form | Products | Share |
|---|---|---|
| Tablet | 196 | 89.1% |
| Tablet, film coated | 14 | 6.4% |
| Injection, powder, lyophilized, for solution | 4 | 1.8% |
| Tablet, coated | 4 | 1.8% |
| Film | 2 | 0.9% |
Updated November 6, 2026. Read from US Food and Drug Administration, National Drug Code Directory (openFDA). 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.