Metronidazole hydrochloride
Metronidazole hydrochloride: 1 brand, 1 generic; first approved Oct 15, 1985; generic available.
Generic available: 1 ANDA application approved.
Brand (NDA) products
- PFIZERNDA 018353—
Approved strengths under this FDA application. Strength Dosage form Route Status TE EQ 500MG BASE/VIAL INJECTABLE INJECTION Discontinued —
Generic (ANDA) products (1)
- METRONIDAZOLE HYDROCHLORIDEABRAXIS PHARMANDA 0702951985
Approved strengths under this FDA application. Strength Dosage form Route Status TE EQ 500MG BASE/VIAL INJECTABLE INJECTION Discontinued —
Listed patents
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
All 2 applications were approved in 1985.
Metronidazole hydrochloride: 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
- FDA Purple BookLicensed biologics, biosimilars, interchangeables, BLA records, and exclusivity dates.
- FDA BiosimilarsFDA-approved biosimilars and interchangeable biosimilars, by reference product.
- 510(k) Predicate DatabaseSearch FDA 510(k) clearances and map predicate-device lineage.
- FDA 483 DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.

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