Last Updated: May 14, 2026

HYDRALAZINE Drug Patent Profile


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When do Hydralazine patents expire, and what generic alternatives are available?

Hydralazine is a drug marketed by Watson Labs, Abraxis Pharm, Am Regent, Baxter Hlthcare Corp, Eugia Pharma, Fresenius Kabi Usa, Hikma, Kindos, Navinta Llc, Pharmobedient, Rising, Smith And Nephew, Solopak, Teva Parenteral, Actavis Elizabeth, Actavis Grp Ptc, Alkem Labs Ltd, Ascot, Cadila Pharms Ltd, Chartwell Rx, Glenmark Pharms Ltd, Halsey, Heritage, Heritage Pharms Inc, Hetero Labs Ltd Iii, Impax Labs, Invagen Pharms, Ivax Sub Teva Pharms, Macleods Pharms Ltd, Mutual Pharm, Pliva, Purepac Pharm, Quantum Pharmics, Sciegen Pharms, Strides Pharma, Strides Pharma Intl, Superpharm, Tp Anda Holdings, Upsher Smith Labs, Usl Pharma, Vangard, Vitarine, West Ward, Solvay, Ivax Pharms, and Mylan. and is included in ninety-nine NDAs.

The generic ingredient in HYDRALAZINE is hydralazine hydrochloride; hydrochlorothiazide; reserpine. There are twenty-one drug master file entries for this compound. Additional details are available on the hydralazine hydrochloride; hydrochlorothiazide; reserpine profile page.

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US Patents and Regulatory Information for HYDRALAZINE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Pharmobedient HYDRALAZINE HYDROCHLORIDE hydralazine hydrochloride TABLET;ORAL 090413-001 Dec 8, 2010 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Strides Pharma Intl HYDRALAZINE HYDROCHLORIDE hydralazine hydrochloride TABLET;ORAL 088391-001 Sep 27, 1983 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Halsey HYDRALAZINE HYDROCHLORIDE hydralazine hydrochloride TABLET;ORAL 089222-001 Jan 22, 1986 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Chartwell Rx HYDRALAZINE HYDROCHLORIDE hydralazine hydrochloride TABLET;ORAL 088847-001 Feb 26, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. We do not provide individual investment advice. This service is not registered with any financial regulatory agency. The information we publish is educational only and based on our opinions plus our models. By using DrugPatentWatch you acknowledge that we do not provide personalized recommendations or advice. thinkBiotech performs no independent verification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.