Last Updated: June 25, 2026

Phenazopyridine - Generic Drug Details

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US Patents and Regulatory Information for Phenazopyridine

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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
Able	SULFAMETHOXAZOLE AND TRIMETHOPRIM AND PHENAZOPYRIDINE HYDROCHLORIDE	phenazopyridine hydrochloride; sulfamethoxazole; trimethoprim	TABLET;ORAL	021105-001	Jun 26, 2001		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Roche	AZO GANTRISIN	phenazopyridine hydrochloride; sulfisoxazole	TABLET;ORAL	019358-001	Aug 31, 1990		DISCN	Yes	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Roche	AZO GANTANOL	phenazopyridine hydrochloride; sulfamethoxazole	TABLET;ORAL	013294-001	Sep 10, 1987		DISCN	Yes	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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