Last Updated: May 3, 2026

HYDRALAZINE HYDROCHLORIDE W Drug Patent Profile

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Which patents cover Hydralazine Hydrochloride W, and when can generic versions of Hydralazine Hydrochloride W launch?

Hydralazine Hydrochloride W is a drug marketed by Ivax Pharms and is included in three NDAs.

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

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Summary for HYDRALAZINE HYDROCHLORIDE W

US Patents:	0
Applicants:	1
NDAs:	3

US Patents and Regulatory Information for HYDRALAZINE HYDROCHLORIDE W

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Applicant	Tradename	Generic Name	Dosage	NDA	Approval Date	TE	Type	RLD	RS	Patent No.	Patent Expiration	Product	Substance	Delist Req.	Exclusivity Expiration
Ivax Pharms	HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 100/50	hydralazine hydrochloride; hydrochlorothiazide	CAPSULE;ORAL	088358-001	Apr 10, 1984		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Ivax Pharms	HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 25/25	hydralazine hydrochloride; hydrochlorothiazide	CAPSULE;ORAL	088356-001	Apr 10, 1984		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Ivax Pharms	HYDRALAZINE HYDROCHLORIDE W/ HYDROCHLOROTHIAZIDE 50/50	hydralazine hydrochloride; hydrochlorothiazide	CAPSULE;ORAL	088357-001	Apr 10, 1984		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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