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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.

DrugProducts hereCompanies listing it
Allopurinol17454
Febuxostat4322
Allopurinol sodium11
Febuxostat tablets 40 mg11
Febuxostat tablets 80 mg11

Companies with the most products in this class

CompanyProductsMain dosage formsMain marketing categoryNewest product started
A-S Medication Solutions17tabletGeneric drugs (ANDA)October 31, 2023
Bryant Ranch Prepack14tabletGeneric drugs (ANDA)May 1, 2024
Aphena Pharma Solutions - Tennessee, LLC10tablet; tablet, film coatedGeneric drugs (ANDA)May 1, 2024
Preferred Pharmaceuticals Inc.9tabletGeneric drugs (ANDA)September 22, 2025
Remedyrepack Inc.9tabletGeneric drugs (ANDA)July 7, 2026
NuCare Pharmaceuticals,Inc.8tablet; tablet, film coatedGeneric drugs (ANDA)May 1, 2024
Northwind Health Company, LLC6tabletGeneric drugs (ANDA)June 8, 2023
Cardinal Health 107, LLC5tabletGeneric drugs (ANDA)July 24, 2026
Zydus Lifesciences Limited5tabletGeneric drugs (ANDA)June 17, 2025
Aurobindo Pharma Limited4tabletGeneric drugs (ANDA)April 14, 2025
Bryant Ranch Prepack4tabletGeneric drugs (ANDA)April 6, 2009
Coupler LLC4tabletGeneric drugs (ANDA)February 4, 2026
Dr. Reddy's Laboratories Limited4tabletGeneric drugs (ANDA)November 25, 2020
Major Pharmaceuticals4tablet; tablet, film coatedGeneric drugs (ANDA)December 30, 2019
NorthStar Rx LLC4tablet; tablet, film coatedGeneric drugs (ANDA)July 1, 2022
PD-Rx Pharmaceuticals, Inc.4tabletGeneric drugs (ANDA)January 9, 1987
St. Mary's Medical Park Pharmacy4tabletGeneric drugs (ANDA)May 1, 2024
Advanced Rx of Tennessee, LLC3tabletGeneric drugs (ANDA)May 29, 2025
American Health Packaging3tablet; tablet, film coatedGeneric drugs (ANDA)December 9, 2022
Direct_Rx3tabletGeneric drugs (ANDA)October 30, 2025
Florida Pharmaceutical Products, LLC3tabletGeneric drugs (ANDA)May 22, 2025
Indoco Remedies Limited3tabletGeneric drugs (ANDA)May 15, 2024
Leading Pharma, LLC3tabletGeneric drugs (ANDA)September 1, 2024
Proficient Rx LP3tabletGeneric drugs (ANDA)April 29, 2015
Rising Pharma Holdings, Inc.3tabletAuthorized generics (NDA)September 21, 2023
Zydus Pharmaceuticals USA Inc.3tabletGeneric drugs (ANDA)June 17, 2025
Accord Healthcare Inc.2tabletGeneric drugs (ANDA)April 29, 2015
Actavis Pharma, Inc.2tabletNew drug applications (NDA)April 6, 2009
Alembic Pharmaceuticals Inc.2tablet, coatedGeneric drugs (ANDA)July 1, 2019
Alembic Pharmaceuticals Limited2tablet, coatedGeneric drugs (ANDA)July 1, 2019
Aphena Pharma Solutions - Tennessee, LLC2tabletGeneric drugs (ANDA)April 6, 2009
Aphena Pharma Solutions - Tennessee, LLC2tabletGeneric drugs (ANDA)January 8, 2026
Ascend Laboratories, LLC2tablet, film coatedGeneric drugs (ANDA)December 8, 2021
AvPAK2tabletGeneric drugs (ANDA)October 6, 2026
Bryant Ranch Prepack2tabletGeneric drugs (ANDA)June 27, 2003
Camber Pharmaceuticals, Inc.2tabletGeneric drugs (ANDA)August 3, 2023
Chartwell RX, LLC2tabletGeneric drugs (ANDA)May 11, 2006
Cranbury Pharmaceuticals, LLC2tabletGeneric drugs (ANDA)September 28, 2020
Golden State Medical Supply, Inc.2tabletGeneric drugs (ANDA)October 15, 2019
Harman Finochem Limited2tabletGeneric drugs (ANDA)October 6, 2023
Hec Pharm USA Inc.2tabletGeneric drugs (ANDA)April 10, 2026
Heritage Pharmaceuticals Inc. D/B/A Avet Pharmaceuticals Inc.2tabletGeneric drugs (ANDA)September 22, 2020
Hikma Pharmaceuticals USA Inc.2tabletGeneric drugs (ANDA)November 11, 2019
Lannett Company, Inc.2tabletGeneric drugs (ANDA)June 2, 2020
Macleods Pharmaceuticals Limited2filmGeneric drugs (ANDA)April 4, 2019
Mylan Institutional Inc.2tabletGeneric drugs (ANDA)April 29, 1997
Mylan Pharmaceuticals Inc.2tabletGeneric drugs (ANDA)October 24, 1986
NCS HealthCare of Ky, LLC DBA Vangard Labs2tabletGeneric drugs (ANDA)June 27, 2003
Novadoz Pharmaceuticals LLC2tablet, film coatedGeneric drugs (ANDA)December 30, 2019
PD-Rx Pharmaceuticals, Inc.2tabletGeneric drugs (ANDA)April 14, 2025
Par Health USA, LLC2tabletGeneric drugs (ANDA)June 27, 2003
Proficient Rx LP2tabletNew drug applications (NDA)April 6, 2009
Safecor Health, LLC2tabletGeneric drugs (ANDA)March 19, 2026
Solco Healthcare US, LLC2tabletGeneric drugs (ANDA)August 1, 2023
Sportpharm LLC2tabletGeneric drugs (ANDA)April 14, 2025
Sun Pharmaceutical Industries, Inc.2tablet, film coatedGeneric drugs (ANDA)July 5, 2019
Sun Pharmaceutical Industries, Inc.2tabletGeneric drugs (ANDA)January 9, 1987
Takeda Pharmaceuticals America, Inc.2tabletNew drug applications (NDA)February 13, 2009
Unichem Pharmaceuticals (USA), Inc.2tabletGeneric drugs (ANDA)March 12, 2019
Viona Pharmaceuticals Inc2tabletGeneric drugs (ANDA)March 31, 2023
XLCare Pharmaceuticals, Inc.2tabletGeneric drugs (ANDA)January 8, 2026
Aphena Pharma Solutions - Tennessee, LLC1tabletGeneric drugs (ANDA)October 24, 1986
Fresenius Kabi USA, LLC1injection, powder, lyophilized, for solutionGeneric drugs (ANDA)March 14, 2022
Gland Pharma Limited1injection, powder, lyophilized, for solutionGeneric drugs (ANDA)January 26, 2022
Hikma Pharmaceuticals USA Inc.1injection, powder, lyophilized, for solutionGeneric drugs (ANDA)September 1, 2004
Mylan Institutional LLC1injection, powder, lyophilized, for solutionNew drug applications (NDA)May 15, 2007
Northwind Health Company, LLC1tabletGeneric drugs (ANDA)January 12, 2026
NuCare Pharmaceuticals, Inc.1tabletGeneric drugs (ANDA)April 29, 2015
Redpharm Drug1tabletGeneric drugs (ANDA)September 22, 2020

Dosage forms

Dosage formProductsShare
Tablet19689.1%
Tablet, film coated146.4%
Injection, powder, lyophilized, for solution41.8%
Tablet, coated41.8%
Film20.9%

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.