Metronidazole Vaginal

242 interactions 832 cited references
Also sold as: MetroGel® Vaginal Nuvessa Nuvessa® Vandazole Vandazole®
About Metronidazole Vaginal

Metronidazole is used to treat vaginal infections such as bacterial vaginosis (an infection caused from too much of certain bacteria in the vagina). Metronidazole is in a class of medications called nitroimidazole antimicrobials. It works by stopping the growth of bacteria. Read the full Metronidazole Vaginal drug information page →

Dr. Brian Staiger, PharmD, BCPS
Medically reviewed by Dr. Brian Staiger, PharmD, BCPS · Updated Aug 9, 2026 · Editorial policy · Data sources

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

Most serious with: Pimozide Piperaquine Saquinavir Sparfloxacin Terfenadine Thioridazine
15 Contraindicated 214 Major 13 Moderate
All (242) Contraindicated (15) Major (214) Moderate (13)

Major

Metronidazole Vaginal Vandetanib Caprelsa An increased risk of QT interval prolongation Details Metronidazole Vaginal Vardenafil Levitra An increased risk of QT interval prolongation Details Metronidazole Vaginal Vemurafenib Zelboraf An increased risk of QT interval prolongation Details Metronidazole Vaginal Venlafaxine An increased risk of QT interval prolongation Details Metronidazole Vaginal Vepdegestrant Veppanu An increased risk of QT interval prolongation and an increased risk of torsade de pointes, polymorphic ventricular tachycardia, ot... Details Metronidazole Vaginal Vilanterol An increased risk of QT interval prolongation Details Metronidazole Vaginal Vinflunine An increased risk of QT interval prolongation Details Metronidazole Vaginal Voclosporin Lupkynis An increased risk of QT interval prolongation Details Metronidazole Vaginal Voriconazole Vfend An increased risk of QT interval prolongation Details Metronidazole Vaginal Vorinostat Zolinza An increased risk of QT interval prolongation Details Metronidazole Vaginal Warfarin Coumadin Increased warfarin exposure and INR, and an increased risk of bleeding Details Metronidazole Vaginal Ziftomenib Komzifti An increased risk of QT interval prolongation and torsade de pointes Details Metronidazole Vaginal Zotepine An increased risk of QT interval prolongation Details Metronidazole Vaginal Zuclopenthixol An increased risk of QT interval prolongation Details

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Educational information only, not medical advice. Always confirm interactions with your pharmacist or prescriber before making any change to your medications.