Data / Drug companies / Penicillin-class Antibacterial
Penicillin-class Antibacterial drugs: 30 drugs from 75 companies in the FDA NDC directory
Penicillin-class Antibacterial is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 840 products in this class from 75 companies, covering 30 drugs by generic name. The main marketing category is generic drugs (ANDA), and the newest product started marketing on October 12, 2026.
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- 75Companies
- 840Products
- 30Drugs by generic name
Drugs in the Penicillin-class Antibacterial class
Ranked by number of companies that list the drug.
| Drug | Products here | Companies listing it |
|---|---|---|
| Amoxicillin | 278 | 35 |
| Amoxicillin and clavulanate potassium | 203 | 35 |
| Penicillin v potassium | 73 | 18 |
| Piperacillin and tazobactam | 47 | 13 |
| Ampicillin sodium | 43 | 11 |
| Ampicillin | 27 | 10 |
| Penicillin g potassium | 19 | 8 |
| Nafcillin sodium | 17 | 8 |
| Ampicillin sodium and sulbactam sodium | 24 | 7 |
| Dicloxacillin sodium | 10 | 7 |
| Piperacillin sodium and tazobactam sodium | 21 | 5 |
| Oxacillin | 9 | 5 |
| Nafcillin | 7 | 5 |
| Ampicillin and sulbactam | 13 | 4 |
| Piperacillin sodium,tazobactam sodium | 9 | 2 |
| Ampicillin sodium, sulbactam sodium | 4 | 2 |
| Oxacillin sodium | 4 | 2 |
| Penicillin g benzathine | 4 | 2 |
| Ampicillin injection | 4 | 1 |
| Penicillin g benzathine and penicillin g procaine | 3 | 1 |
| Piperacillin and tazobactam and sodium chloride | 3 | 1 |
| Tazobactam sodium and piperacillin sodium | 3 | 1 |
| Penicillin g | 2 | 1 |
| Amoxicillin oral susp | 1 | 1 |
| Amoxicillin/clav pot | 1 | 1 |
| Amoxicillin/clav pot oral susp | 1 | 1 |
| Omeprazole magnesium, amoxicillin and rifabutin | 1 | 1 |
| Penicillin g benzathin | 1 | 1 |
| Penicillin g sodium | 1 | 1 |
| Piperacillin sodium, tazobactam sodium | 1 | 1 |
Companies with the most products in this class
| Company | Products | Main dosage forms | Main marketing category | Newest product started |
|---|---|---|---|---|
| NuCare Pharmaceuticals,Inc. | 82 | tablet, film coated; powder, for suspension | Generic drugs (ANDA) | April 1, 2024 |
| A-S Medication Solutions | 72 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | November 21, 2022 |
| Sandoz Inc | 44 | injection, powder, for solution; powder, for suspension | Generic drugs (ANDA) | October 25, 2021 |
| Preferred Pharmaceuticals Inc. | 32 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | July 31, 2026 |
| Remedyrepack Inc. | 32 | tablet, film coated; capsule | Generic drugs (ANDA) | September 21, 2026 |
| Eugia US LLC | 29 | injection, powder, for solution; injection, powder, lyophilized, for solution | Generic drugs (ANDA) | October 12, 2023 |
| Chartwell RX, LLC | 26 | powder, for suspension; tablet, chewable | Generic drugs (ANDA) | June 18, 2007 |
| Proficient Rx LP | 24 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | January 20, 2012 |
| Asclemed USA, Inc. | 22 | tablet, film coated; capsule | Generic drugs (ANDA) | May 1, 2020 |
| Fresenius Kabi USA, LLC | 22 | injection, powder, for solution; injection, powder, lyophilized, for solution | Generic drugs (ANDA) | November 1, 2020 |
| Teva Pharmaceuticals USA, Inc. | 20 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | January 13, 2005 |
| WG Critical Care, LLC | 20 | injection, powder, for solution | Generic drugs (ANDA) | November 30, 2021 |
| Bryant Ranch Prepack | 19 | capsule; tablet, film coated | Generic drugs (ANDA) | October 11, 2013 |
| PD-Rx Pharmaceuticals, Inc. | 17 | tablet, film coated; capsule | Generic drugs (ANDA) | August 23, 2016 |
| PD-Rx Pharmaceuticals, Inc. | 17 | tablet, film coated; capsule | Generic drugs (ANDA) | October 11, 2013 |
| Aurobindo Pharma Limited | 16 | tablet, film coated; powder, for suspension | Generic drugs (ANDA) | September 15, 2014 |
| Onesource Specialty Pharma Limited | 16 | injection, powder, for solution | Generic drugs (ANDA) | October 12, 2026 |
| Proficient Rx LP | 15 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | May 1, 2020 |
| Sportpharm LLC | 13 | tablet, film coated; capsule | Generic drugs (ANDA) | August 16, 2023 |
| Hikma Pharmaceuticals USA Inc. | 12 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | August 23, 2016 |
| Redpharm Drug | 12 | capsule; tablet, film coated | Generic drugs (ANDA) | September 23, 2022 |
| Armas Pharmaceuticals Inc. | 11 | injection, powder, for solution | Generic drugs (ANDA) | May 1, 2025 |
| Avenacy, LLC | 11 | injection, powder, for solution | Generic drugs (ANDA) | September 1, 2025 |
| Fresenius Kabi USA, LLC | 11 | injection, powder, for solution; injection, powder, lyophilized, for solution | Generic drugs (ANDA) | March 20, 2023 |
| NorthStar RxLLC | 11 | injection, powder, for solution | Generic drugs (ANDA) | July 1, 2024 |
| NorthStar Rx LLC | 10 | tablet, film coated; powder, for suspension | Generic drugs (ANDA) | January 20, 2012 |
| Sagent Pharmaceuticals | 10 | injection, powder, for solution; injection, powder, lyophilized, for solution | Generic drugs (ANDA) | April 15, 2025 |
| USAntibiotics, LLC | 10 | for suspension; capsule | Authorized generics (NDA) | December 15, 2025 |
| Civica, Inc. | 9 | injection, powder, for solution | Generic drugs (ANDA) | September 8, 2025 |
| Bryant Ranch Prepack | 8 | tablet, film coated | Generic drugs (ANDA) | March 1, 2017 |
| Proficient Rx LP | 8 | powder, for suspension; tablet | Generic drugs (ANDA) | November 21, 2022 |
| Rising Pharma Holdings, Inc. | 8 | tablet, film coated; capsule | Generic drugs (ANDA) | April 29, 2008 |
| Roerig | 8 | powder, for solution; injection, powder, for solution | Generic drugs (ANDA) | June 1, 2010 |
| American Health Packaging | 7 | tablet, film coated; capsule | Generic drugs (ANDA) | March 25, 2025 |
| Baxter Healthcare Corporation | 7 | injection, solution | New drug applications (NDA) | April 1, 2023 |
| Coupler LLC | 7 | tablet, film coated; capsule | Generic drugs (ANDA) | August 3, 2026 |
| Hawaii Repack, Inc. | 7 | powder, for suspension; capsule | Generic drugs (ANDA) | December 20, 2011 |
| Medical Purchasing Solutions, LLC | 7 | injection, powder, for solution | Generic drugs (ANDA) | November 10, 2023 |
| Aurobindo Pharma Limited | 6 | capsule; powder, for suspension | Generic drugs (ANDA) | October 31, 2023 |
| Direct_Rx | 6 | tablet, film coated; powder, for suspension | Generic drugs (ANDA) | August 1, 2025 |
| Heritage Pharmaceuticals Inc. D/B/A Avet Pharmaceuticals Inc. | 6 | powder, for solution; injection, powder, for solution | Generic drugs (ANDA) | January 31, 2025 |
| Meitheal Pharmaceuticals Inc. | 6 | injection, powder, for solution | Generic drugs (ANDA) | November 27, 2006 |
| Northwind Health Company, LLC | 6 | capsule; tablet, film coated | Generic drugs (ANDA) | September 15, 2026 |
| Pfizer Laboratories Div Pfizer Inc | 6 | injection, suspension | New drug applications (NDA) | May 18, 1953 |
| Professional Complementary Health Formulas | 6 | liquid | Unapproved homeopathic products | August 15, 1984 |
| QPharma, Inc. | 6 | capsule; tablet, film coated | Generic drugs (ANDA) | April 29, 2008 |
| Bryant Ranch Prepack | 5 | tablet, film coated | Generic drugs (ANDA) | March 1, 2017 |
| Devatis, Inc. | 5 | powder, for suspension; tablet, film coated | Generic drugs (ANDA) | November 1, 2024 |
| Micro Labs Limited | 5 | tablet, film coated; capsule | Generic drugs (ANDA) | November 1, 2022 |
| Provepharm Inc. | 5 | injection, powder, lyophilized, for solution | Generic drugs (ANDA) | January 11, 2023 |
| Apotex Corp. | 4 | injection, powder, for solution; injection, powder, lyophilized, for solution | Generic drugs (ANDA) | September 26, 2023 |
| HF Acquisition Co LLC, DBA HealthFirst | 4 | injection, powder, for solution | Generic drugs (ANDA) | December 1, 2024 |
| Hospira, Inc. | 4 | injection, powder, lyophilized, for solution | Generic drugs (ANDA) | December 14, 2016 |
| NuCare Pharmaceuticals, Inc. | 4 | tablet, chewable; powder, for suspension | Generic drugs (ANDA) | June 19, 2006 |
| PD-Rx Pharmaceuticals, Inc. | 4 | tablet, film coated; tablet, chewable | Generic drugs (ANDA) | October 31, 2002 |
| Shandong Anxin Pharmaceutical Co., Ltd. | 4 | injection, powder, for solution; injection, powder, lyophilized, for solution | Generic drugs (ANDA) | April 14, 2023 |
| Advanced Rx of Tennessee, LLC | 3 | tablet, film coated; capsule | Generic drugs (ANDA) | March 3, 2023 |
| B. Braun Medical Inc. | 3 | injection, solution | New drug applications (NDA) | September 30, 2025 |
| BluePoint Laboratories | 3 | injection, powder, for solution | Generic drugs (ANDA) | August 11, 2021 |
| Chartwell Governmental & Specialty RX, LLC. | 3 | capsule | Generic drugs (ANDA) | September 30, 1990 |
| Hikma Pharmaceuticals USA Inc. | 3 | injection, powder, for solution | Generic drugs (ANDA) | December 22, 2009 |
| Wockhardt USA LLC. | 3 | injection, powder, for solution | Generic drugs (ANDA) | November 24, 2017 |
| Wyeth Pharmaceuticals LLC, a Subsidiary of Pfizer Inc. | 3 | injection, solution | New drug applications (NDA) | March 1, 1998 |
| Henry Schein, Inc. | 2 | injection, powder, for solution | Generic drugs (ANDA) | July 31, 2026 |
| Medsource Pharmaceuticals | 2 | tablet, film coated | Generic drugs (ANDA) | March 1, 2017 |
| Milla Pharmaceuticals Inc. | 2 | injection, powder, lyophilized, for solution | Generic drugs (ANDA) | January 11, 2023 |
| Allegis Holdings, LLC | 1 | for suspension | New drug applications (NDA) | September 1, 2023 |
| Asclemed USA Inc. | 1 | for suspension | Authorized generics (NDA) | April 1, 2024 |
| Athenex Pharmaceutical Division, LLC. | 1 | injection, powder, for solution | Generic drugs (ANDA) | May 21, 2019 |
| Cipla USA Inc. | 1 | suspension | Generic drugs (ANDA) | October 28, 2024 |
| Direct RX | 1 | powder, for suspension | Generic drugs (ANDA) | January 1, 2014 |
| Health Department, Oklahoma State | 1 | capsule | Generic drugs (ANDA) | November 9, 2005 |
| Laboratrios Atral, S.A. | 1 | injection, powder, for suspension | Unapproved drugs for a shortage | June 1, 2024 |
| ProPharma Distribution | 1 | injection, powder, for solution | Generic drugs (ANDA) | February 1, 2012 |
| RedHill Biopharma Ltd | 1 | capsule, delayed release | New drug applications (NDA) | March 9, 2020 |
Dosage forms
| Dosage form | Products | Share |
|---|---|---|
| Tablet, film coated | 210 | 25% |
| Injection, powder, for solution | 191 | 22.7% |
| Powder, for suspension | 145 | 17.3% |
| Capsule | 137 | 16.3% |
| Injection, powder, lyophilized, for solution | 40 | 4.8% |
| Tablet | 20 | 2.4% |
| Powder, for solution | 19 | 2.3% |
| Tablet, coated | 15 | 1.8% |
| Tablet, chewable | 14 | 1.7% |
| Injection, solution | 13 | 1.5% |
| For suspension | 11 | 1.3% |
| Suspension | 7 | 0.8% |
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.