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FDA Orange Book · active-ingredient family

Dextromethorphan polistirex

Dextromethorphan polistirex: 1 brand, 3 generics; first approved Oct 08, 1982; generic available.

Generic available
Generic status & protection

Generic available: 3 ANDA applications approved.

Brands (NDA)
1
Generics (ANDA)
3
Listed patents
0
Presentations
4

Brand (NDA) products

Originator applications
  • DELSYMRLDRS
    NDA 0186581982
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    EQ 30MG HYDROBROMIDE/5MLSUSPENSION, EXTENDED RELEASEORALOTC

Generic (ANDA) products (3)

Abbreviated applications
  • DEXTROMETHORPHAN POLISTIREX
    ANDA 2184172026
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    EQ 30MG HYDROBROMIDE/5MLSUSPENSION, EXTENDED RELEASEORALOTC
  • DEXTROMETHORPHAN POLISTIREX
    ANDA 2031332017
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    EQ 30MG HYDROBROMIDE/5MLSUSPENSION, EXTENDED RELEASEORALOTC
  • DEXTROMETHORPHAN POLISTIREX
    ANDA 0911352012
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    EQ 30MG HYDROBROMIDE/5MLSUSPENSION, EXTENDED RELEASEORALOTC

Listed patents

Orange Book patent file

No patents are listed against this product in the Orange Book. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Approval history

FDA approval span
First approval
44 yr 6 mo ago
Most recent approval
4 mo ago

Approvals span 1982–2026 across 4 FDA applications.

Brand (NDA) 125%
Generic (ANDA) 375%

Dextromethorphan polistirex: frequently asked questions

Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.

Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Related FDA reference tools

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