Last Updated: June 17, 2026

PROMETHAZINE VC W Drug Patent Profile

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When do Promethazine Vc W patents expire, and what generic alternatives are available?

Promethazine Vc W is a drug marketed by Cenci and Wockhardt and is included in two NDAs.

The generic ingredient in PROMETHAZINE VC W is codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride. There are nineteen drug master file entries for this compound. One supplier is listed for this compound. Additional details are available on the codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride profile page.

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Summary for PROMETHAZINE VC W

US Patents:	0
Applicants:	2
NDAs:	2

US Patents and Regulatory Information for PROMETHAZINE VC W

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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
Cenci	PROMETHAZINE VC W/ CODEINE	codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride	SYRUP;ORAL	088816-001	Nov 22, 1985		DISCN	No	No	⤷ Start Trial	⤷ Start Trial				⤷ Start Trial
Wockhardt	PROMETHAZINE VC W/ CODEINE	codeine phosphate; phenylephrine hydrochloride; promethazine hydrochloride	SYRUP;ORAL	088896-001	Jan 4, 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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