Last Updated: May 10, 2026

METRONIDAZOLE Drug Patent Profile


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When do Metronidazole patents expire, and when can generic versions of Metronidazole launch?

Metronidazole is a drug marketed by Able, Alembic, Chartwell Rx, Aurobindo Pharma Ltd, Cosette, Fougera Pharms, Zydus Lifesciences, Encube, Taro, Glenmark Pharms Ltd, Padagis Israel, Sciegen Pharms, Solaris Pharma Corp, Abbott, Abraxis Pharm, Hikma, Intl Medication, Watson Labs, Alembic Pharms Ltd, Cadila, Cadila Pharms Ltd, Chartwell Molecules, Flamingo Pharms, Fosun Pharma, Halsey, Innogenix, Ivax Sub Teva Pharms, LNK, Lupin Ltd, Mutual Pharm, Novitium Pharma, Pliva, Somerset Theraps Llc, Strides Pharma, Superpharm, Teva Pharms Usa, Unichem, Watson Labs Inc, Amneal, Baxter Hlthcare Corp, Gland, Hospira, Inforlife, and Rising. and is included in seventy-two NDAs.

The generic ingredient in METRONIDAZOLE is metronidazole hydrochloride. There are eighteen drug master file entries for this compound. Additional details are available on the metronidazole hydrochloride profile page.

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Paragraph IV (Patent) Challenges for METRONIDAZOLE
Tradename Dosage Ingredient Strength NDA ANDAs Submitted Submissiondate
LIKMEZ Oral Suspension metronidazole 500 mg/5 mL 216755 1 2025-11-13
NUVESSA Vaginal Gel metronidazole 1.30% 205223 1 2022-03-30
METROGEL Topical Gel metronidazole 1% 021789 1 2008-10-21
METROGEL-VAGINAL Vaginal Gel metronidazole 0.75% 020208 1 2004-09-02

US Patents and Regulatory Information for METRONIDAZOLE

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Strides Pharma METRONIDAZOLE metronidazole TABLET;ORAL 070040-001 Jan 29, 1985 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Aurobindo Pharma Ltd METRONIDAZOLE metronidazole TABLET;ORAL 203974-001 May 29, 2015 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Fougera Pharms METRONIDAZOLE metronidazole LOTION;TOPICAL 077197-001 May 24, 2006 AB RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Amneal METRONIDAZOLE IN PLASTIC CONTAINER metronidazole INJECTABLE;INJECTION 217665-001 May 24, 2023 AP RX No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Flamingo Pharms METRONIDAZOLE metronidazole TABLET;ORAL 207309-001 May 16, 2016 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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