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Data / Drug companies / Central alpha-2 Adrenergic Agonist

Central alpha-2 Adrenergic Agonist drugs: 20 drugs from 123 companies in the FDA NDC directory

Central alpha-2 Adrenergic Agonist is an FDA established pharmacologic class. The FDA National Drug Code Directory lists 579 products in this class from 123 companies, covering 20 drugs by generic name. The main marketing category is generic drugs (ANDA), and the newest product started marketing on October 2, 2026.

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  • 123Companies
  • 579Products
  • 20Drugs by generic name

Drugs in the Central alpha-2 Adrenergic Agonist class

Ranked by number of companies that list the drug.

DrugProducts hereCompanies listing it
Clonidine hydrochloride14545
Tizanidine11238
Guanfacine10133
Tizanidine hydrochloride6625
Dexmedetomidine hydrochloride5321
Dexmedetomidine1711
Clonidine169
Tizanidne hydrochloride156
Guanfacine hydrochloride106
Dexmedetomidine hydrochloride in 0.9% sodium chloride84
Gaunfacine53
Clonidine transdermal system122
Methyldopa42
Dexmedetomidine hcl22
Tizanidine hcl61
Dexmedetomidine hydrochloride in sodium chloride21
Guanfacine er21
Clonidine hci11
Clonidine hydrochloride oral11
Tizandine11

Companies with the most products in this class

CompanyProductsMain dosage formsMain marketing categoryNewest product started
Bryant Ranch Prepack29tablet; capsuleGeneric drugs (ANDA)August 8, 2023
Remedyrepack Inc.25tablet; tablet, extended releaseGeneric drugs (ANDA)June 2, 2026
A-S Medication Solutions20tablet; tablet, extended releaseGeneric drugs (ANDA)December 15, 2024
Bryant Ranch Prepack18tablet; capsuleGeneric drugs (ANDA)July 1, 2020
Asclemed USA, Inc.16tablet; capsuleGeneric drugs (ANDA)June 15, 2021
Bryant Ranch Prepack15tablet; tablet, extended releaseGeneric drugs (ANDA)June 2, 2021
Advanced Rx of Tennessee, LLC13tablet; capsuleGeneric drugs (ANDA)March 20, 2025
Hospira, Inc.13injection, solution; injection, solution, concentrateNew drug applications (NDA)March 24, 2025
Preferred Pharmaceuticals Inc.13tablet; capsuleGeneric drugs (ANDA)July 16, 2026
Alembic Pharmaceuticals Inc.11tablet; tablet, extended releaseGeneric drugs (ANDA)September 22, 2026
Alembic Pharmaceuticals Limited11tablet; tablet, extended releaseGeneric drugs (ANDA)September 22, 2026
NuCare Pharmaceuticals,Inc.11tabletGeneric drugs (ANDA)March 4, 2021
TruPharma, LLC11patch; tabletAuthorized generics (NDA)April 13, 2026
Unichem Pharmaceuticals (USA), Inc.11tablet; tablet, extended releaseGeneric drugs (ANDA)November 19, 2024
Advagen Pharma Ltd10capsule; tablet, extended releaseGeneric drugs (ANDA)August 28, 2025
Apotex Corp.9tablet, extended release; capsule, gelatin coatedGeneric drugs (ANDA)October 3, 2018
Proficient Rx LP9tablet; tablet, extended releaseGeneric drugs (ANDA)December 24, 2020
Actavis Pharma, Inc.8capsule, gelatin coated; patchGeneric drugs (ANDA)May 6, 2014
Actavis Pharma, Inc.8tablet, extended release; tabletGeneric drugs (ANDA)June 17, 2015
Aurobindo Pharma Limited8tablet; capsuleGeneric drugs (ANDA)August 7, 2023
Northwind Health Company, LLC8tabletGeneric drugs (ANDA)December 6, 2022
Direct_Rx7tablet, extended release; tabletGeneric drugs (ANDA)October 2, 2026
PD-Rx Pharmaceuticals, Inc.7tablet; capsuleGeneric drugs (ANDA)May 27, 2020
Proficient Rx LP7tabletGeneric drugs (ANDA)December 2, 2013
AvPAK6tabletGeneric drugs (ANDA)May 30, 2023
Coupler LLC6tabletGeneric drugs (ANDA)August 7, 2026
Hikma Pharmaceuticals USA Inc.6injection, solution; injectionGeneric drugs (ANDA)March 3, 2026
NorthStar Rx LLC6tablet, extended release; tabletGeneric drugs (ANDA)September 17, 2021
St. Mary's Medical Park Pharmacy6tablet; tablet, extended releaseGeneric drugs (ANDA)May 19, 2025
Technomed Inc.6patchNew drug applications (NDA)March 30, 2026
Upsher-Smith Laboratories, LLC6tablet, extended release; tabletGeneric drugs (ANDA)September 1, 2022
Aphena Pharma Solutions - Tennessee, LLC5tabletGeneric drugs (ANDA)June 1, 2017
Ascend Laboratories, LLC5capsule; tabletGeneric drugs (ANDA)March 29, 2019
Medical Purchasing Solutions, LLC5injection, solution; injectionGeneric drugs (ANDA)January 19, 2021
NCS HealthCare of Ky, LLC DBA Vangard Labs5tabletGeneric drugs (ANDA)March 4, 2021
Redpharm Drug5tabletGeneric drugs (ANDA)June 15, 2021
Zydus Lifesciences Limited5capsule; tabletGeneric drugs (ANDA)September 13, 2018
American Health Packaging4tablet; tablet, extended releaseGeneric drugs (ANDA)November 9, 2023
Amneal Pharmaceuticals LLC4injection; injection, solutionGeneric drugs (ANDA)May 19, 2023
Baxter Healthcare Corporation4injectionGeneric drugs (ANDA)August 27, 2019
BluePoint Laboratories4tablet; tablet, extended releaseGeneric drugs (ANDA)August 24, 2023
Cardinal Health 107, LLC4tabletGeneric drugs (ANDA)October 9, 2025
Chartwell RX, LLC4tablet; tablet, film coatedGeneric drugs (ANDA)September 1, 2022
Covis Pharma US, Inc4capsule; tabletNew drug applications (NDA)August 1, 2018
Fosun Pharma USA Inc.4tablet, extended releaseGeneric drugs (ANDA)April 3, 2026
Gland Pharma Limited4injection; injection, solutionGeneric drugs (ANDA)December 19, 2024
Golden State Medical Supply, Inc.4tablet, extended releaseGeneric drugs (ANDA)August 7, 2023
Ingenus Pharmaceuticals, LLC4capsule; tablet, extended releaseGeneric drugs (ANDA)March 20, 2019
Legacy Pharma USA Inc.4capsule; tabletNew drug applications (NDA)August 1, 2018
Major Pharmaceuticals4tabletGeneric drugs (ANDA)November 21, 2025
Mylan Institutional LLC4injection, solution; injection, solution, concentrateGeneric drugs (ANDA)November 13, 2020
PD-Rx Pharmaceuticals, Inc.4tabletGeneric drugs (ANDA)April 1, 2013
Piramal Critical Care Inc4injection, solution; injectionGeneric drugs (ANDA)May 1, 2021
Precision Dose, Inc.4injection, solution; tabletGeneric drugs (ANDA)January 31, 2023
Rising Pharma Holdings, Inc.4tabletGeneric drugs (ANDA)April 4, 2025
Slate Run Pharmaceuticals, LLC4tablet, extended releaseGeneric drugs (ANDA)August 1, 2022
Solco Healthcare US, LLC4tablet; tablet, extended releaseGeneric drugs (ANDA)January 5, 2023
Takeda Pharmaceuticals America, Inc.4tablet, extended releaseNew drug applications (NDA)September 2, 2009
WG Critical Care, LLC4injection, solution, concentrate; injectionNew drug applications (NDA)April 19, 2016
Ajanta Pharma USA Inc.3tablet; tablet, extended releaseGeneric drugs (ANDA)April 27, 2023
Asclemed USA Inc.3tabletGeneric drugs (ANDA)December 24, 2020
Cadila Pharmaceuticals Limited3capsuleGeneric drugs (ANDA)December 29, 2017
Direct RX3tabletGeneric drugs (ANDA)August 13, 2019
Dr. Reddy's Laboratories Inc.3patch, extended releaseGeneric drugs (ANDA)February 10, 2024
Eugia US LLC3injection, solutionGeneric drugs (ANDA)December 7, 2020
Golden State Medical Supply, Inc.3tablet, extended releaseGeneric drugs (ANDA)June 2, 2015
Kanchan Healthcare Inc3capsuleGeneric drugs (ANDA)December 29, 2017
Method Pharmaceuticals, LLC3tabletGeneric drugs (ANDA)July 1, 2020
Modavar Pharmaceuticals LLC3capsuleGeneric drugs (ANDA)December 29, 2017
Mylan Pharmaceuticals Inc.3patchGeneric drugs (ANDA)March 4, 2013
Par Health USA, LLC3injection, solution; injection, solution, concentrateGeneric drugs (ANDA)December 4, 2020
ProPharma Distribution3injection, solution; injectionGeneric drugs (ANDA)January 19, 2021
Sandoz Inc3injectionGeneric drugs (ANDA)June 12, 2020
Somerset Therapeutics, LLC3injection, solution; tablet, extended releaseGeneric drugs (ANDA)March 4, 2025
Sun Pharmaceutical Industries, Inc.3tablet; injection, solutionGeneric drugs (ANDA)April 8, 2015
Zydus Pharmaceuticals USA Inc.3capsuleGeneric drugs (ANDA)April 27, 2017
A2A Integrated Pharmaceuticals2tabletGeneric drugs (ANDA)April 8, 2025
American Health Packaging2tabletGeneric drugs (ANDA)January 25, 2016
Amneal Pharmaceuticals LLC2tabletGeneric drugs (ANDA)November 25, 1998
Amneal Pharmaceuticals of New York LLC2tabletGeneric drugs (ANDA)April 15, 2022
Aurobindo Pharma Limited2tabletGeneric drugs (ANDA)September 1, 2026
Baxter Healthcare Corporation2injectionGeneric drugs (ANDA)August 21, 2018
BioXcel Therapeutics, Inc.2filmNew drug applications (NDA)July 1, 2022
Civica, Inc.2injectionGeneric drugs (ANDA)August 23, 2021
Dr. Reddy's Laboratories Inc.2injection, solutionGeneric drugs (ANDA)August 17, 2020
Dr. Reddy's Laboratories Limited2tabletGeneric drugs (ANDA)July 3, 2002
Epic Pharma, LLC2tabletGeneric drugs (ANDA)December 2, 2013
Hawaii Repack, Inc.2tabletGeneric drugs (ANDA)July 3, 2002
I3 Pharmaceuticals, LLC2tabletGeneric drugs (ANDA)October 31, 2022
Medcore LLC2tabletGeneric drugs (ANDA)April 10, 2026
NorthStar RxLLC2tabletGeneric drugs (ANDA)July 15, 2024
Sagent Pharmaceuticals2injection; injection, solutionGeneric drugs (ANDA)July 15, 2025
Trifluent Pharma, LLC2capsuleGeneric drugs (ANDA)September 16, 2025
Unit Dose Solutions, Inc.2tabletGeneric drugs (ANDA)June 17, 2026
Verityrx, LLC2tabletGeneric drugs (ANDA)December 24, 2020
Viona Pharmaceuticals Inc2tabletGeneric drugs (ANDA)March 4, 2021
Wilshire Pharmaceuticals, Inc.2injectionGeneric drugs (ANDA)January 30, 2025
XGen Pharmaceuticals DJB, Inc.2injection, solutionGeneric drugs (ANDA)October 29, 2013
Xiromed, LLC2tabletGeneric drugs (ANDA)February 24, 2024
Accord Healthcare Inc.1injection, solutionGeneric drugs (ANDA)December 21, 2016

Dosage forms

Dosage formProductsShare
Tablet29350.6%
Tablet, extended release9015.5%
Capsule7312.6%
Injection, solution529%
Injection264.5%
Patch183.1%
Injection, solution, concentrate81.4%
Capsule, gelatin coated71.2%
Patch, extended release40.7%
Solution30.5%
Film20.3%
Tablet, film coated20.3%

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.