Metronidazole is an antibiotic commonly used to treat different types of infections.

Common brand name products include Flagyl and Metrogel.

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How Long Does Metronidazole Last?

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Metronidazole has ahalf-lifeof about eight hours.

Half-lives of drugs are used to help determine dosing schedules.

Metronidazole is typically dosed between two and four times per day, or around every 6 to 12 hours.

What Is Metronidazole Used For?

Is There an Interaction Between Metronidazole and Alcohol?

Summary

Metronidazole is an important antibiotic used to treat many different types of infections.

Stopping the medication before your course ends can cause the infection to return and contribute to antibiotic resistance.

Drugs and Lactation Database (LactMed) [Internet].

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Alonzo MM, Lewis TV, Miller JL.Disulfiram-like reaction with metronidazole: an unsuspected culprit.J Pediatr Pharmacol Ther.

2019;24(5):445-449. doi:10.5863/1551-6776-24.5.445