Antibiotics Home > When to Consider an Alternative to Metronidazole

Who Should Not Take This Drug?

You should not take metronidazole if you:
  • Are allergic to metronidazole or any of the inactive components used to make it. Your healthcare provider or pharmacist has a list of the inactive ingredients.
  • Are in your first trimester of pregnancy (for the treatment of trichomoniasis or bacterial vaginosis; for the oral forms of metronidazole only).

Precautions and Warnings With Metronidazole: Final Thoughts

There are a number of situations in which metronidazole should not be taken, as well as several precautions and warnings people should be aware of before starting the medication. However, it is possible that not all of the warnings or precautions were discussed in this article. Therefore, talk with your healthcare provider about the specific safety concerns that may apply to you.
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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