Last Updated: May 3, 2026

ERYZOLE Drug Patent Profile

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

Eryzole is a drug marketed by Alra and is included in one NDA.

The generic ingredient in ERYZOLE is erythromycin ethylsuccinate; sulfisoxazole acetyl. There are one hundred and three drug master file entries for this compound. Additional details are available on the erythromycin ethylsuccinate; sulfisoxazole acetyl profile page.

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Summary for ERYZOLE

US Patents:	0
Applicants:	1
NDAs:	1

US Patents and Regulatory Information for ERYZOLE

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Glossary

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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
Alra	ERYZOLE	erythromycin ethylsuccinate; sulfisoxazole acetyl	GRANULE;ORAL	062758-001	Jun 15, 1988		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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