Data / Drug companies / Histamine-1 Receptor Inhibitor
Histamine-1 Receptor Inhibitor drugs: 9 drugs from 58 companies in the FDA NDC directory
Histamine-1 Receptor Inhibitor is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 140 products in this class from 58 companies, covering 9 drugs by generic name. The main marketing category is generic drugs (ANDA), and the newest product started marketing on November 1, 2026.
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- 58Companies
- 140Products
- 9Drugs by generic name
Drugs in the Histamine-1 Receptor Inhibitor class
Ranked by number of companies that list the drug.
| Drug | Products here | Companies listing it |
|---|---|---|
| Olopatadine hydrochloride | 71 | 35 |
| Ketotifen fumarate | 22 | 19 |
| Olopatadine hydrochloride ophthalmic | 31 | 16 |
| Olopatadine hydrochloride ophthalmic solution | 8 | 8 |
| Olopatadine | 2 | 2 |
| Olopatadine hcl | 2 | 2 |
| Olopatadine hydrochloride and mometasone furoate | 2 | 2 |
| Epinastine hydrochloride | 1 | 1 |
| Eye allergy itch relief | 1 | 1 |
Companies with the most products in this class
| Company | Products | Main dosage forms | Main marketing category | Newest product started |
|---|---|---|---|---|
| Walgreen Company | 8 | solution; solution/ drops | Generic drugs (ANDA) | January 15, 2026 |
| Cardinal Health 110, LLC. DBA Leader | 7 | solution/ drops; solution | Generic drugs (ANDA) | January 15, 2026 |
| Aurohealth LLC | 6 | solution | Generic drugs (ANDA) | July 15, 2020 |
| A-S Medication Solutions | 5 | solution/ drops; solution | Generic drugs (ANDA) | April 15, 2024 |
| Walmart Inc. | 5 | solution; solution/ drops | Generic drugs (ANDA) | November 1, 2026 |
| Alcon Laboratories, Inc. | 4 | solution | New drug applications (NDA) | September 1, 2020 |
| Alembic Pharmaceuticals Inc. | 4 | solution/ drops | Generic drugs (ANDA) | February 18, 2021 |
| Amerisource Bergen | 4 | solution | Generic drugs (ANDA) | May 1, 2026 |
| Bausch & Lomb Incorporated | 4 | solution; solution/ drops | Generic drugs (ANDA) | January 20, 2025 |
| Dr. Reddy's Laboratories Inc. | 4 | solution/ drops; solution | Generic drugs (ANDA) | October 1, 2020 |
| Rite Aid Corporation | 4 | solution; solution/ drops | Generic drugs (ANDA) | October 8, 2020 |
| Rugby Laboratories | 4 | solution/ drops | Generic drugs (ANDA) | January 15, 2026 |
| Apotex Corp. | 3 | solution/ drops; spray, metered | Generic drugs (ANDA) | October 6, 2022 |
| CVS Pharmacy | 3 | solution/ drops; solution | Generic drugs (ANDA) | September 20, 2020 |
| CVS Woonsocket Prescription Center, Incorporated | 3 | solution | Generic drugs (ANDA) | January 15, 2026 |
| Gland Pharma Limited | 3 | solution; solution/ drops | Generic drugs (ANDA) | January 6, 2026 |
| Kroger Company | 3 | solution; solution/ drops | Generic drugs (ANDA) | June 1, 2022 |
| Somerset Therapeutics, LLC | 3 | solution/ drops | Generic drugs (ANDA) | December 20, 2024 |
| Strategic Sourcing Services LLC | 3 | solution; solution/ drops | Generic drugs (ANDA) | March 1, 2025 |
| Target Corporation | 3 | solution; solution/ drops | Generic drugs (ANDA) | August 15, 2026 |
| Target Corporation | 3 | solution; solution/ drops | Generic drugs (ANDA) | October 22, 2021 |
| Yyba Corp | 3 | solution | Generic drugs (ANDA) | September 10, 2026 |
| Alembic Pharmaceuticals Limited | 2 | solution/ drops | Generic drugs (ANDA) | February 18, 2021 |
| Allegiant Health | 2 | solution/ drops | Generic drugs (ANDA) | June 4, 2026 |
| BluePoint Laboratories | 2 | solution | Generic drugs (ANDA) | December 5, 2025 |
| Chain Drug Marketing Association | 2 | solution; solution/ drops | Generic drugs (ANDA) | January 1, 2021 |
| Dolgencorp, Inc. (dollar General & Rexall) | 2 | solution/ drops; solution | Generic drugs (ANDA) | December 1, 2021 |
| Dr. Reddy's Laboratories Inc. | 2 | solution; solution/ drops | Generic drugs (ANDA) | April 15, 2026 |
| Glenmark Therapeutics Inc., USA | 2 | solution | Generic drugs (ANDA) | February 28, 2025 |
| Golden State Medical Supply, Inc. | 2 | solution; solution/ drops | Generic drugs (ANDA) | June 28, 2017 |
| Harris Teeter | 2 | solution | Generic drugs (ANDA) | July 15, 2020 |
| Meijer, Inc. | 2 | solution | Generic drugs (ANDA) | July 15, 2020 |
| Preferred Pharmaceuticals Inc. | 2 | solution/ drops; solution | Generic drugs (ANDA) | February 27, 2026 |
| Retail Business Services, LLC | 2 | solution | Generic drugs (ANDA) | May 6, 2021 |
| Rising Pharma Holdings, Inc. | 2 | solution | Generic drugs (ANDA) | May 1, 2025 |
| Safeway | 2 | solution | Generic drugs (ANDA) | June 25, 2021 |
| Topco Associates LLC | 2 | solution | Generic drugs (ANDA) | July 15, 2020 |
| Allwell Health Inc | 1 | solution | Generic drugs (ANDA) | July 15, 2020 |
| Amneal Pharmaceuticals LLC | 1 | spray, metered | Generic drugs (ANDA) | February 3, 2020 |
| Armas Pharmaceuticals Inc. | 1 | solution/ drops | Generic drugs (ANDA) | October 9, 2023 |
| Bryant Ranch Prepack | 1 | spray | Generic drugs (ANDA) | June 14, 2017 |
| Bryant Ranch Prepack | 1 | spray | Generic drugs (ANDA) | June 14, 2017 |
| Chain Drug Marketing Association, Inc. | 1 | solution | Generic drugs (ANDA) | January 1, 2021 |
| Glenmark Pharmaceuticals Inc., USA | 1 | spray, metered | New drug applications (NDA) | January 13, 2026 |
| H E B | 1 | solution | Generic drugs (ANDA) | March 7, 2022 |
| Hikma Specialty USA Inc. | 1 | spray, metered | New drug applications (NDA) | August 15, 2022 |
| OCuSOFT LLC | 1 | solution/ drops | Generic drugs (ANDA) | July 5, 2024 |
| Padagis Israel Pharmaceuticals Ltd | 1 | spray | Generic drugs (ANDA) | June 14, 2017 |
| Perrigo Direct, Inc | 1 | solution/ drops | New drug applications (NDA) | April 1, 2024 |
| Proficient Rx LP | 1 | solution/ drops | Generic drugs (ANDA) | October 1, 2007 |
| Redpharm Drug | 1 | solution | New drug applications (NDA) | August 7, 2020 |
| Sentiss Pharmaceuticals LLC | 1 | solution/ drops | Generic drugs (ANDA) | April 15, 2026 |
| Sola Pharmaceuticals, LLC | 1 | solution/ drops | Generic drugs (ANDA) | July 5, 2022 |
| Sportpharm LLC | 1 | solution | Generic drugs (ANDA) | July 15, 2020 |
| Topco Associates LLC | 1 | solution/ drops | New drug applications (NDA) | March 15, 2022 |
| Unichem Pharmaceuticals (USA), Inc. | 1 | solution | Generic drugs (ANDA) | October 15, 2021 |
| Valu Merchandisers Company | 1 | solution | Generic drugs (ANDA) | July 15, 2020 |
| Wal-Mart Stores Inc | 1 | solution | New drug applications (NDA) | January 1, 2016 |
Dosage forms
| Dosage form | Products | Share |
|---|---|---|
| Solution | 84 | 60% |
| Solution/ drops | 49 | 35% |
| Spray, metered | 4 | 2.9% |
| Spray | 3 | 2.1% |
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.